Fixed building yuv_rgb.h when stdint.h isn't available (thanks Ozkan!)

src/video/yuv2rgb/yuv_rgb.h

@@ -16,7 +16,7 @@
 // For all methods, width and height should be even, if not, the last row/column of the result image won't be affected.
 // For sse methods, if the width if not divisable by 32, the last (width%32) pixels of each line won't be affected.
 
-#include <stdint.h>
+/*#include <stdint.h> - handled by sources including this header */
 
 typedef enum
 {