Add missing GTK_CHECK_VERSION(2,6,0) checks. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69697 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add missing GTK_CHECK_VERSION(2,6,0) checks. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69697 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775