[Auth_ldap] auth retry bug patch

[Ken Yap]

This may have been posted before, maybe I didn't look hard enough, but
this bug prevents the browser from giving the user another chance to
login if the username is invalid. Here's the patch against 1.6.0.

--- auth_ldap-1.6.0/auth_ldap.c.orig	2001-07-05 00:38:03.000000000 +1000
+++ auth_ldap-1.6.0/auth_ldap.c	2005-08-22 11:11:49.220673054 +1000
@@ -596,6 +596,9 @@
 			 filtbuf, ldap_err2string(result), r->uri);
     RELMUTEX(conf->mtx);
     RELMUTEX(sec->ldc->mtx);
+    /* ask user again, this wasn't done in upstream version */
+    if (sec->auth_authoritative)
+	ap_note_basic_auth_failure(r);
     return sec->auth_authoritative? AUTH_REQUIRED : DECLINED;
   }
 
@@ -612,6 +615,9 @@
     ldap_msgfree(res);
     RELMUTEX(conf->mtx);
     RELMUTEX(sec->ldc->mtx);
+    /* ask user again, this wasn't done in upstream version */
+    if (sec->auth_authoritative)
+	ap_note_basic_auth_failure(r);
     return sec->auth_authoritative? AUTH_REQUIRED: DECLINED;
   }