Fixed missing include for SDL_INIT_EVENTTHREAD

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403461

src/video/SDL_video.c

@@ -23,6 +23,7 @@
 
 /* The high-level video driver subsystem */
 
+#include "SDL.h"
 #include "SDL_video.h"
 #include "SDL_sysvideo.h"
 #include "SDL_blit.h"