autofs-5.0.8 - fix undefined authtype_requires_creds err if ldap enabled but without sasl

From: Lan Yixun (dlan) <dennis.yxun@gmail.com>

This patch is moving "WITH_SASL" into authtype_requires_creds function
make it return 0 if sasl not enabled, which mean authtype_requires_creds is not enabled

https://bugs.gentoo.org/show_bug.cgi?id=489128
---
 CHANGELOG             |    1 +
 modules/lookup_ldap.c |    4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

--- autofs-5.0.7.orig/CHANGELOG
+++ autofs-5.0.7/CHANGELOG
@@ -83,6 +83,7 @@
 - check for existing offset mount before mounting.
 - fix cache readlock not taken on lookup.
 - fix compilation of lookup_ldap.c without sasl.
+- fix undefined authtype_requires_creds err if ldap enabled but without sasl.
 
 25/07/2012 autofs-5.0.7
 =======================
--- autofs-5.0.7.orig/modules/lookup_ldap.c
+++ autofs-5.0.7/modules/lookup_ldap.c
@@ -813,20 +813,20 @@ int get_property(unsigned logopt, xmlNod
 	return 0;
 }
 
-#ifdef WITH_SASL
 /*
  *  For plain text, login and digest-md5 authentication types, we need
  *  user and password credentials.
  */
 int authtype_requires_creds(const char *authtype)
 {
+#ifdef WITH_SASL
 	if (!strncmp(authtype, "PLAIN", strlen("PLAIN")) ||
 	    !strncmp(authtype, "DIGEST-MD5", strlen("DIGEST-MD5")) ||
 	    !strncmp(authtype, "LOGIN", strlen("LOGIN")))
 		return 1;
+#endif
 	return 0;
 }
-#endif
 
 /*
  *  Returns: