Add and update include guards

Include guards in most changed files were missing, I added them keeping
the same style as other SDL files. In some cases I moved the include
guards around to be the first thing the header has to take advantage of
any possible improvements compiler may have for inclusion guards.

src/video/SDL_RLEaccel_c.h

@@ -18,6 +18,10 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+
+#ifndef SDL_RLEaccel_c_h_
+#define SDL_RLEaccel_c_h_
+
 #include "../SDL_internal.h"
 
 /* Useful functions and variables from SDL_RLEaccel.c */
@@ -28,4 +32,7 @@ extern int SDLCALL SDL_RLEBlit     (SDL_Surface * src, SDL_Rect * srcrect,
 extern int SDLCALL SDL_RLEAlphaBlit(SDL_Surface * src, SDL_Rect * srcrect,
                                     SDL_Surface * dst, SDL_Rect * dstrect);
 extern void SDL_UnRLESurface(SDL_Surface * surface, int recode);
+
+#endif /* SDL_RLEaccel_c_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */

src/video/SDL_blit_copy.h

@@ -19,6 +19,11 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
+#ifndef SDL_blit_copy_h_
+#define SDL_blit_copy_h_
+
 void SDL_BlitCopy(SDL_BlitInfo * info);
 
+#endif /* SDL_blit_copy_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */

src/video/SDL_blit_slow.h

@@ -18,8 +18,14 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+
+#ifndef SDL_blit_slow_h_
+#define SDL_blit_slow_h_
+
 #include "../SDL_internal.h"
 
 extern void SDL_Blit_Slow(SDL_BlitInfo * info);
 
+#endif /* SDL_blit_slow_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */

src/video/SDL_pixels_c.h

@@ -18,6 +18,10 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+
+#ifndef SDL_pixels_c_h_
+#define SDL_pixels_c_h_
+
 #include "../SDL_internal.h"
 
 /* Useful functions and variables from SDL_pixel.c */
@@ -37,4 +41,6 @@ extern void SDL_FreeBlitMap(SDL_BlitMap * map);
 extern void SDL_DitherColors(SDL_Color * colors, int bpp);
 extern Uint8 SDL_FindColor(SDL_Palette * pal, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 
+#endif /* SDL_pixels_c_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */

src/video/SDL_rect_c.h

@@ -18,8 +18,14 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+
+#ifndef SDL_rect_c_h_
+#define SDL_rect_c_h_
+
 #include "../SDL_internal.h"
 
 extern SDL_bool SDL_GetSpanEnclosingRect(int width, int height, int numrects, const SDL_Rect * rects, SDL_Rect *span);
 
+#endif /* SDL_rect_c_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */

src/video/SDL_yuv_c.h

@@ -18,6 +18,10 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+
+#ifndef SDL_yuv_c_h_
+#define SDL_yuv_c_h_
+
 #include "../SDL_internal.h"
 
 
@@ -27,4 +31,6 @@ extern int SDL_ConvertPixels_YUV_to_RGB(int width, int height, Uint32 src_format
 extern int SDL_ConvertPixels_RGB_to_YUV(int width, int height, Uint32 src_format, const void *src, int src_pitch, Uint32 dst_format, void *dst, int dst_pitch);
 extern int SDL_ConvertPixels_YUV_to_YUV(int width, int height, Uint32 src_format, const void *src, int src_pitch, Uint32 dst_format, void *dst, int dst_pitch);
 
+#endif /* SDL_yuv_c_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */

src/video/dummy/SDL_nullevents_c.h

@@ -18,10 +18,16 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+
+#ifndef SDL_nullevents_c_h_
+#define SDL_nullevents_c_h_
+
 #include "../../SDL_internal.h"
 
 #include "SDL_nullvideo.h"
 
 extern void DUMMY_PumpEvents(_THIS);
 
+#endif /* SDL_nullevents_c_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */

src/video/dummy/SDL_nullframebuffer_c.h

@@ -18,10 +18,16 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+
+#ifndef SDL_nullframebuffer_c_h_
+#define SDL_nullframebuffer_c_h_
+
 #include "../../SDL_internal.h"
 
 extern int SDL_DUMMY_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch);
 extern int SDL_DUMMY_UpdateWindowFramebuffer(_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects);
 extern void SDL_DUMMY_DestroyWindowFramebuffer(_THIS, SDL_Window * window);
 
+#endif /* SDL_nullframebuffer_c_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */

src/video/wayland/SDL_waylandtouch.h

@@ -19,13 +19,13 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
+#ifndef SDL_waylandtouch_h_
+#define SDL_waylandtouch_h_
+
 #include "../../SDL_internal.h"
 
 #ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
 
-#ifndef SDL_waylandtouch_h_
-#define SDL_waylandtouch_h_
-
 #include "SDL_waylandvideo.h"
 #include <stdint.h>
 #include <stddef.h>
@@ -347,6 +347,6 @@ qt_windowmanager_open_url(struct qt_windowmanager *qt_windowmanager, uint32_t re
              QT_WINDOWMANAGER_OPEN_URL, remaining, url);
 }
 
-#endif /* SDL_waylandtouch_h_ */
-
 #endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
+
+#endif /* SDL_waylandtouch_h_ */

src/video/x11/SDL_x11framebuffer.h

@@ -18,6 +18,10 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+
+#ifndef SDL_x11framebuffer_h_
+#define SDL_x11framebuffer_h_
+
 #include "../../SDL_internal.h"
 
 
@@ -28,4 +32,6 @@ extern int X11_UpdateWindowFramebuffer(_THIS, SDL_Window * window,
                                        const SDL_Rect * rects, int numrects);
 extern void X11_DestroyWindowFramebuffer(_THIS, SDL_Window * window);
 
+#endif /* SDL_x11framebuffer_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */

src/video/x11/SDL_x11messagebox.h

@@ -19,10 +19,15 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
+#ifndef SDL_x11messagebox_h_
+#define SDL_x11messagebox_h_
+
 #if SDL_VIDEO_DRIVER_X11
 
 extern int X11_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
 
 #endif /* SDL_VIDEO_DRIVER_X11 */
 
+#endif /* SDL_x11messagebox_h_ */
+
 /* vi: set ts=4 sw=4 expandtab: */