Workspace/WM/application.c(wApplicationDestroy): add more checks if application already has been destroyed.

Author: trunkmaster

Applications/Workspace/WM/application.c

@@ -496,16 +496,15 @@ void wApplicationDestroy(WApplication *wapp)
   WWindow *wwin;
   WScreen *scr;
 
-  if (!wapp)
+  if (!wapp || wapp->refcount != 1) {
     return;
+  }
+  
+  wapp->refcount--;
 
   WMLogInfo("DESTROY main window:%lu name:%s windows #:%li refcount:%i", wapp->main_window,
             wapp->app_icon->wm_instance, CFArrayGetCount(wapp->windows), wapp->refcount);
 
-  wapp->refcount--;
-  if (wapp->refcount > 0)
-    return;
-
   scr = wapp->main_wwin->screen;
 
   CFNotificationCenterRemoveEveryObserver(scr->notificationCenter, wapp);