Fix wxStandardDialogLayoutAdapter compilation with wxUSE_BUTTON==0.

This class probably should not be compiled in at all in the minimal build but
in the meanwhile just add #if checks around its button-related parts.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66087 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/dlgcmn.cpp

@@ -633,6 +633,7 @@ bool wxStandardDialogLayoutAdapter::DoLayoutAdaptation(wxDialog* dialog)
         else
 #endif // wxUSE_BOOKCTRL
         {
+#if wxUSE_BUTTON
             // If we have an arbitrary dialog, create a scrolling area for the main content, and a button sizer
             // for the main buttons.
             wxScrolledWindow* scrolledWindow = CreateScrolledWindow(dialog);
@@ -679,6 +680,7 @@ bool wxStandardDialogLayoutAdapter::DoLayoutAdaptation(wxDialog* dialog)
             scrolledWindow->SetSizer(oldSizer);
 
             FitWithScrolling(dialog, scrolledWindow);
+#endif // wxUSE_BUTTON
         }
     }
 
@@ -693,6 +695,8 @@ wxScrolledWindow* wxStandardDialogLayoutAdapter::CreateScrolledWindow(wxWindow*
     return scrolledWindow;
 }
 
+#if wxUSE_BUTTON
+
 /// Find and remove the button sizer, if any
 wxSizer* wxStandardDialogLayoutAdapter::FindButtonSizer(bool stdButtonSizer, wxDialog* dialog, wxSizer* sizer, int& retBorder, int accumlatedBorder)
 {
@@ -790,6 +794,8 @@ bool wxStandardDialogLayoutAdapter::FindLooseButtons(wxDialog* dialog, wxStdDial
     return true;
 }
 
+#endif // wxUSE_BUTTON
+
 /// Reparent the controls to the scrolled window
 void wxStandardDialogLayoutAdapter::ReparentControls(wxWindow* parent, wxWindow* reparentTo, wxSizer* buttonSizer)
 {