bumped SDL2 to the latest repository version

jni/SDL2-2.0.1/src/video/wayland/SDL_waylandvideo.h

@@ -19,16 +19,13 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
-#include "SDL_config.h"
+#include "../../SDL_internal.h"
 
 #ifndef _SDL_waylandvideo_h
 #define _SDL_waylandvideo_h
 
-#include <wayland-client.h>
-#include <wayland-cursor.h>
-#include <wayland-egl.h>
-
 #include <EGL/egl.h>
+#include "wayland-util.h"
 
 struct xkb_context;
 struct SDL_WaylandInput;
@@ -72,12 +69,6 @@ typedef struct {
     uint32_t shm_formats;
 } SDL_VideoData;
 
-static inline void
-wayland_schedule_write(SDL_VideoData *data)
-{
-    wl_display_flush(data->display);
-}
-
 #endif /* _SDL_nullvideo_h */
 
 /* vi: set ts=4 sw=4 expandtab: */