* include/util_ldap.h: Treat LDAP_UNAVAILABLE as a transient error
     with non-MS LDAP SDKs; seen with OpenLDAP against Novell eDirectory.

Backports: r1348036
Submitted by: Filip Valder <filip.valder vsb.cz> (via RH bugzilla)
Reviewed by: rjung, fuankg, wrowe



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1375696 13f79535-47bb-0310-9956-ffa450edef68