Add missing "!= NULL", for the sake of consistency.

Fujii Masao

diff --git a/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c b/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c
index 54b86fd..b7a24e5 100644 (file)
--- a/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c
+++ b/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c
@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c,v 1.1 2010/01/20 09:16:24 heikki Exp $
+ *       $PostgreSQL: pgsql/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c,v 1.2 2010/01/20 11:58:44 heikki Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -62,7 +62,8 @@ void
 _PG_init(void)
 {
        /* Tell walreceiver how to reach us */
-       if (walrcv_connect != NULL || walrcv_receive != NULL || walrcv_disconnect)
+       if (walrcv_connect != NULL || walrcv_receive != NULL ||
+               walrcv_disconnect != NULL)
                elog(ERROR, "libpqwalreceiver already loaded");
        walrcv_connect = libpqrcv_connect;
        walrcv_receive = libpqrcv_receive;