Merged revisions 164605 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r164605 | russell | 2008-12-16 08:28:10 -0600 (Tue, 16 Dec 2008) | 5 lines

Don't try to change working directory if a directory was not configured.

(closes issue #14089)
Reported by: caspy

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@164606 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_musiconhold.c

@@ -512,7 +512,7 @@ static int spawn_mp3(struct mohclass *class)
 		ast_close_fds_above_n(STDERR_FILENO);
 
 		/* Child */
-		if (chdir(class->dir) < 0) {
+		if (strcasecmp(class->dir, "nodir") && chdir(class->dir) < 0) {
 			ast_log(LOG_WARNING, "chdir() failed: %s\n", strerror(errno));
 			_exit(1);
 		}