applied patch #428104 (SetSizeHints() for wxMDIChildFrame)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10598 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/mdi.h

@@ -159,6 +159,7 @@ public:
     bool HandleMDIActivate(long bActivate, WXHWND, WXHWND);
     bool HandleWindowPosChanging(void *lpPos);
     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
+    bool HandleGetMinMaxInfo(void *mmInfo);
 
     virtual long MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
     virtual long MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);