diff -r d0bbb2dad7f3 -r c0db123ecd4e pidgin/gtksourceundomanager.c
--- a/pidgin/gtksourceundomanager.c	Tue May 06 21:40:30 2014 +0200
+++ b/pidgin/gtksourceundomanager.c	Tue May 06 21:41:26 2014 +0200
@@ -988,7 +988,7 @@
 
 	if (undo_action->action_type == GTK_SOURCE_UNDO_ACTION_DELETE)
 	{
-		GtkSourceUndoDeleteAction *last_del, *undo_del;
+		const GtkSourceUndoDeleteAction *last_del, *undo_del;
 
 		last_del = &last_action->action.delete;
 		undo_del = &undo_action->action.delete;