Only return requested attrs in sssvlv response

servers/slapd/overlays/sssvlv.c

@@ -630,6 +630,8 @@ static void send_entry(
 	if ( !so->so_tree )
 		return;
 
+	rs->sr_attrs = op->ors_attrs;
+
 	/* RFC 2891: If critical then send the entries iff they were
 	 * succesfully sorted.  If non-critical send all entries
 	 * whether they were sorted or not.