Make Cocoa_HandleTitleButtonEvent() static since it's not used anywhere else
diff --git a/src/video/cocoa/SDL_cocoamouse.m b/src/video/cocoa/SDL_cocoamouse.m
index 5680ef5..e9d832d 100644
--- a/src/video/cocoa/SDL_cocoamouse.m
+++ b/src/video/cocoa/SDL_cocoamouse.m
@@ -353,7 +353,7 @@ Cocoa_InitMouse(_THIS)
return 0;
}
-void
+static void
Cocoa_HandleTitleButtonEvent(_THIS, NSEvent *event)
{
SDL_Window *window;