Applied patch [ 678788 ] Dialog command event propagation problem

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@19074 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/wincmn.cpp

@@ -219,7 +219,7 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     // dialog/frame and all children will inherit it by defult
     if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
     {
-        SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY);
+        SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
     }
 
     return TRUE;