Include macroexten while searching for a channel to pick up in case they are in a macro. (issue #9491 reported by jamesb63)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@67626 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_directed_pickup.c

@@ -96,7 +96,7 @@ static int pickup_by_exten(struct ast_channel *chan, char *exten, char *context)
 	struct ast_channel *target = NULL;
 
 	while ((target = ast_channel_walk_locked(target))) {
-		if (!strcasecmp(target->exten, exten) &&
+		if ((!strcasecmp(target->macroexten, exten) || !strcasecmp(target->exten, exten)) &&
 		    !strcasecmp(target->dialcontext, context) &&
 		    can_pickup(target)) {
 			res = pickup_do(chan, target);