(blind) fix for keyboard cues display under XP (bug 1298512)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35736 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/missing.h

@@ -39,7 +39,9 @@
 #endif
 
 // Needed by toplevel.cpp
-#ifndef UIS_INITIALIZE
+#ifndef UIS_SET
+    #define UIS_SET         1
+    #define UIS_CLEAR       2
     #define UIS_INITIALIZE  3
 #endif
 

include/wx/msw/window.h

@@ -488,7 +488,9 @@ protected:
     bool DoEraseBackground(WXHDC hDC);
 
     // generate WM_UPDATEUISTATE if it's needed for the OS we're running under
-    void MSWUpdateUIState();
+    //
+    // the parameter should be one of UIS_XXX constants
+    void MSWUpdateUIState(int action);
 
 private:
     // common part of all ctors