Fixes audio for Native Client, and other fixes...

- SDL_NaClMount, SDL_NaClUmount
- Default mounting of https at / in SDL's main function
- More documentation in README-nacl.txt

test/nacl/Makefile

@@ -13,8 +13,8 @@ include $(NACL_SDK_ROOT)/tools/common.mk
 
 TARGET = sdl_app
 DEPS = ppapi_simple nacl_io
-# ppapi_simple ends up being listed twice due to dependency solving issues -- Gabriel
-LIBS = SDL2_test SDL2 ppapi_simple SDL2main $(DEPS) ppapi_gles2 ppapi_cpp ppapi pthread 
+# ppapi_simple and SDL2 end up being listed twice due to dependency solving issues -- Gabriel
+LIBS = SDL2_test SDL2 ppapi_simple SDL2main SDL2 $(DEPS) ppapi_gles2 ppapi_cpp ppapi pthread 
 
 CFLAGS := -Wall
 SOURCES ?= testgles2.c

test/testmultiaudio.c

@@ -134,16 +134,6 @@ main(int argc, char **argv)
 
     SDL_Log("Using audio driver: %s\n", SDL_GetCurrentAudioDriver());
     
-    #if __NACL__
-    SDL_RWUmount("/");
-    SDL_RWMount(
-        "",  /* source */
-        "/",  /* target */
-        "httpfs",  /* filesystemtype */
-        0,  /* mountflags */
-        "");  /* data specific to the html5fs type */
-#endif
-
     devcount = SDL_GetNumAudioDevices(0);
     if (devcount < 1) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Don't see any specific audio devices!\n");

test/testrendercopyex.c

@@ -161,16 +161,6 @@ main(int argc, char *argv[])
         quit(2);
     }
 
-#if __NACL__
-    SDL_RWUmount("/");
-    SDL_RWMount(
-        "",  /* source */
-        "/",  /* target */
-        "httpfs",  /* filesystemtype */
-        0,  /* mountflags */
-        "");  /* data specific to the html5fs type */
-#endif    
-    
     drawstates = SDL_stack_alloc(DrawState, state->num_windows);
     for (i = 0; i < state->num_windows; ++i) {
         DrawState *drawstate = &drawstates[i];