Use LDAP_OTHER to indicate internal error

servers/slapd/back-ldap/bind.c

@@ -1281,7 +1281,7 @@ retry:;
 			if ( timeout ) {
 				(void)ldap_back_cancel( lc, op, rs, msgid, sendok );
 				rs->sr_err = op->o_protocol >= LDAP_VERSION3 ?
-					LDAP_ADMINLIMIT_EXCEEDED : LDAP_OPERATIONS_ERROR;
+					LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
 				rs->sr_text = "Operation timed out";
 				break;
 			}

servers/slapd/back-meta/bind.c

@@ -862,7 +862,7 @@ retry:;
 				if ( timeout ) {
 					(void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok );
 					rs->sr_err = op->o_protocol >= LDAP_VERSION3 ?
-						LDAP_ADMINLIMIT_EXCEEDED : LDAP_OPERATIONS_ERROR;
+						LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
 					rs->sr_text = "Operation timed out";
 					break;
 				}