Change owner from oid to int4 type.

src/backend/catalog/aclchk.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/catalog/aclchk.c,v 1.12 1998/07/27 19:37:45 vadim Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/catalog/aclchk.c,v 1.13 1998/08/11 18:28:11 momjian Exp $
  *
  * NOTES
  *	  See acl.h.
@@ -455,14 +455,14 @@ pg_aclcheck(char *relname, char *usename, AclMode mode)
 		 * if the acl is null, by default the owner can do whatever he
 		 * wants to with it
 		 */
-		Oid			ownerId;
+		int4		ownerId;
 
 		relation = heap_openr(RelationRelationName);
-		ownerId = (Oid) heap_getattr(htp,
+		ownerId = (int4) heap_getattr(htp,
 									 Anum_pg_class_relowner,
 									 RelationGetTupleDescriptor(relation),
 									 (bool *) NULL);
-		acl = aclownerdefault(relname, ownerId);
+		acl = aclownerdefault(relname, (AclId)ownerId);
 	}
 #else
 	{							/* This is why the syscache is great... */