SDL_config_android.h: update SIZEOF_VOIDP define to respect __LP64__

include/SDL_config_android.h

@@ -133,7 +133,11 @@
 #define HAVE_SYSCONF    1
 #define HAVE_CLOCK_GETTIME  1
 
+#ifdef __LP64__
+#define SIZEOF_VOIDP 8
+#else
 #define SIZEOF_VOIDP 4
+#endif
 
 /* Enable various audio drivers */
 #define SDL_AUDIO_DRIVER_ANDROID    1