Removed unused variable with undefined type. Fixes Bugzilla #234.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401819

src/video/ggi/SDL_ggievents.c

@@ -62,7 +62,6 @@ void GGI_PumpEvents(_THIS)
 		static int buttons = 0;
 		static int mouse_x = 0, mouse_y = 0, mouse_z = 0;
 		int x = 0, y = 0, z = 0, rx = 0, ry = 0, rz = 0;
-		uint32 sym;
 		int pressed_mouse, pressed_kbd;
 		SDL_keysym keysym;