Let's unlock the lines list after the AST_LIST_TRAVERSE instead of inside it.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@233089 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_skinny.c

@@ -3347,8 +3347,8 @@ static char *_skinny_show_lines(int fd, int *total, struct mansession *s, const
 				l->instance,
 				l->label);
 		}
-		AST_LIST_UNLOCK(&lines);
 	}
+	AST_LIST_UNLOCK(&lines);
 
 	if (total) {
 		*total = total_lines;