(svn r7157) -Fix [FS#221, SF1168820]: Some mouse events possibly lost under high CPU load, handle

mouse input right away instead of waiting for GameLoop. (KUDr)

window.h

@@ -802,6 +802,7 @@ void ResetWindowSystem(void);
 int GetMenuItemIndex(const Window *w, int x, int y);
 void InputLoop(void);
 void HandleKeypress(uint32 key);
+void HandleMouseEvents(void);
 void UpdateWindows(void);
 void InvalidateWidget(const Window *w, byte widget_index);
 void InvalidateThisWindowData(Window *w);