Don't return a non-zero return code if the profile doesn't exist, to match what the documentation says it already does. (#9307 Reported by kkiely)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@59035 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_followme.c

@@ -952,7 +952,7 @@ static int app_exec(struct ast_channel *chan, void *data)
 		ast_log(LOG_DEBUG, "New profile %s.\n", args.followmeid);
 	if (!f) { 
 		ast_log(LOG_WARNING, "Profile requested, %s, not found in the configuration.\n", args.followmeid);
-		res = -1;
+		res = 0;
 	} else {
 		/* XXX TODO: Reinsert the db check value to see whether or not follow-me is on or off */