winemac: Make sure the same housekeeping is done when closing a window as is done when hiding it.

dlls/winemac.drv/cocoa_window.m

@@ -1801,8 +1801,11 @@ void macdrv_destroy_cocoa_window(macdrv_window w)
     NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
     WineWindow* window = (WineWindow*)w;
 
+    OnMainThread(^{
+        [window doOrderOut];
+        [window close];
+    });
     [window.queue discardEventsMatchingMask:-1 forWindow:window];
-    [window close];
     [window release];
 
     [pool release];