autofs-5.1.3 - fix nisplus lookup init not configured check

From: Ian Kent <raven@themaw.net>

If nisplus is not configured nis_local_directory() can return the domain
name "(none).".

Signed-off-by: Ian Kent <raven@themaw.net>
---
 CHANGELOG                |    1 +
 modules/lookup_nisplus.c |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

--- autofs-5.0.7.orig/CHANGELOG
+++ autofs-5.0.7/CHANGELOG
@@ -258,6 +258,7 @@
 - allow dot in OPTIONSTR value lexer pattern.
 - revert fix argc off by one in mount_autofs.c.
 - only take master map mutex for master map update.
+- fix nisplus lookup init not configured check.
 
 25/07/2012 autofs-5.0.7
 =======================
--- autofs-5.0.7.orig/modules/lookup_nisplus.c
+++ autofs-5.0.7/modules/lookup_nisplus.c
@@ -48,7 +48,7 @@ static int do_init(const char *mapfmt,
 	 * We don't need to copy or free it.
 	 */
 	ctxt->domainname = nis_local_directory();
-	if (!ctxt->domainname) {
+	if (!ctxt->domainname || !strcmp(ctxt->domainname, "(none).")) {
 		logmsg(MODPREFIX "NIS+ domain not set");
 		ret = 1;
 		goto out;