Fixed a bug on Mac whereby popup window disappeared as soon as the button was clicked (text control getting focus)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61878 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/combocmn.cpp

@@ -1729,13 +1729,9 @@ void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
     {
         wxWindow* tc = GetTextCtrl();
         if ( tc && tc != DoFindFocus() )
-#ifdef __WXMAC__
-            m_resetFocus = true;
-#else
         {
             tc->SetFocus();
         }
-#endif
     }
 
     Refresh();