Merge lp:~ted/libdbusmenu/743050 into lp:libdbusmenu/0.5

[Ted Gould]

Protect against a null class

[Andrea Cimitan (cimi)]

review: Approve

=== modified file 'libdbusmenu-glib/menuitem.c'
--- libdbusmenu-glib/menuitem.c	2011-06-17 17:53:03 +0000
+++ libdbusmenu-glib/menuitem.c	2011-09-23 21:07:25 +0000
@@ -1730,7 +1730,7 @@
 	#endif
 	DbusmenuMenuitemClass * class = DBUSMENU_MENUITEM_GET_CLASS(mi);
 
-	if (class->send_about_to_show != NULL) {
+	if (class != NULL && class->send_about_to_show != NULL) {
 		return class->send_about_to_show(mi, cb, cb_data);
 	} else if (cb != NULL) {
 		cb(mi, cb_data);