Include SDL_events.h for SDL_ConvertEventToRenderCoordinates()

include/SDL3/SDL_render.h

@@ -49,6 +49,7 @@
 #define SDL_render_h_
 
 #include <SDL3/SDL_stdinc.h>
+#include <SDL3/SDL_events.h>
 #include <SDL3/SDL_rect.h>
 #include <SDL3/SDL_video.h>