1. wxMenu{Item|Bar} modifications for wxMotif

2. corrected a crash on startup if wxDataObject is used in Motif


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4212 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/motif/dataobj.cpp

@@ -33,7 +33,6 @@ Atom  g_textAtom = 0;
 
 wxDataFormat::wxDataFormat()
 {
-    if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
     m_type = wxDF_INVALID;
     m_hasAtom = FALSE;
     m_atom = (Atom) 0;