fix (?) for error in wxCSConv::LoadNow()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10789 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/strconv.cpp

@@ -776,7 +776,8 @@ void wxCSConv::LoadNow()
                 SetName(name);
         }
 
-        m_cset = wxGetCharacterSet(m_name);
+        // wxGetCharacterSet() complains about NULL name
+        m_cset = m_name ? wxGetCharacterSet(m_name) : NULL;
         m_deferred = FALSE;
     }
 }