Fix crashes and other bugs on LessTif

* lwlib/lwlib-Xm.c (make_menu_in_widget): XmIsRowColumn is
broken on the latest LessTif release, so avoid that here.
* src/xfns.c (x_window): Add PropertyChangeMask which LessTif
doesn't do itself.

1 files changed, 2 insertions, 0 deletions

diff --git a/lwlib/lwlib-Xm.c b/lwlib/lwlib-Xm.c
index 1b8675c0eda..a1114d42556 100644
--- a/lwlib/lwlib-Xm.c
+++ b/lwlib/lwlib-Xm.c
@@ -496,9 +496,11 @@ make_menu_in_widget (widget_instance* instance,
     ;
   children = (Widget*)(void*)XtMalloc (num_children * sizeof (Widget));
 
+#ifndef LESSTIF_VERSION
   /* WIDGET should be a RowColumn.  */
   if (!XmIsRowColumn (widget))
     emacs_abort ();
+#endif
 
   /* Determine whether WIDGET is a menu bar.  */
   type = -1;