Removed SDL_AndroidOpenURL, added SDL_OpenURL.

Still needs to be wired into Xcode and Visual Studio projects.

include/SDL.h

@@ -60,6 +60,7 @@
 #include "SDL_version.h"
 #include "SDL_video.h"
 #include "SDL_locale.h"
+#include "SDL_misc.h"
 
 #include "begin_code.h"
 /* Set up for C function definitions, even when using C++ */