(krb5_sockaddr_uninteresting): don't try to call uninteresting

function if not defined by address family


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10487 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/addr_families.c

@@ -629,7 +629,7 @@ krb5_boolean
 krb5_sockaddr_uninteresting(const struct sockaddr *sa)
 {
     struct addr_operations *a = find_af(sa->sa_family);
-    if (a == NULL)
+    if (a == NULL || a->uninteresting == NULL)
 	return TRUE;
     return (*a->uninteresting)(sa);
 }