compilation fixes for non default wxUSE_XXX values (patch 662781)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18695 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/wincmn.cpp

@@ -1177,7 +1177,9 @@ bool wxWindowBase::TransferDataToWindow()
         if ( validator && !validator->TransferToWindow() )
         {
             wxLogWarning(_("Could not transfer data to window"));
+#if wxUSE_LOG
             wxLog::FlushActive();
+#endif // wxUSE_LOG
 
             return FALSE;
         }