compilation fix for wxUSE_BOOKCTRL=0

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51480 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/dlgcmn.cpp

@@ -529,6 +529,7 @@ bool wxStandardDialogLayoutAdapter::DoLayoutAdaptation(wxDialog* dialog)
 {
     if (dialog->GetSizer())
     {
+#if wxUSE_BOOKCTRL
         wxBookCtrlBase* bookContentWindow = wxDynamicCast(dialog->GetContentWindow(), wxBookCtrlBase);
 
         if (bookContentWindow)
@@ -564,6 +565,7 @@ bool wxStandardDialogLayoutAdapter::DoLayoutAdaptation(wxDialog* dialog)
             FitWithScrolling(dialog, windows);
         }
         else
+#endif // wxUSE_BOOKCTRL
         {
             // If we have an arbitrary dialog, create a scrolling area for the main content, and a button sizer
             // for the main buttons.