Raise the scrollbars on reparenting (part of patch #9076)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@62132 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/window.cpp

@@ -3693,6 +3693,8 @@ bool wxWindowMac::Reparent(wxWindowBase *newParentBase)
         wxASSERT_MSG( container != NULL , wxT("No valid mac container control") ) ;
 
         ::EmbedControl( m_peer->GetControlRef() , container ) ;
+
+        MacChildAdded();
     }
     return true;
 }