(init_membership): Use NO_TIME instead of 0.

src/server/memory.c

 /*
- * $Id: memory.c,v 0.28 1998/12/26 22:40:44 byers Exp $
+ * $Id: memory.c,v 0.29 1999/01/01 15:54:23 ceder Exp $
  * Copyright (C) 1991, 1992, 1993, 1994, 1996  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -33,7 +33,7 @@
 #endif
 
 static const char *
-rcsid = "$Id: memory.c,v 0.28 1998/12/26 22:40:44 byers Exp $";
+rcsid = "$Id: memory.c,v 0.29 1999/01/01 15:54:23 ceder Exp $";
 #include "rcs.h"
 USE(rcsid);
 
@@ -289,7 +289,7 @@ init_membership(Membership *m)
     m->read_texts = NULL;
     m->last_time_read = NO_TIME;
     m->added_by = 0;
-    m->added_at = 0;
+    m->added_at = NO_TIME;
     m->type.invitation = 0;
     m->type.passive = 0;
     m->type.secret = 0;