Minor code cleanup: remove a variable that was assigned to but never

subsequently referenced.

Found by: Coverity
Fixed by: Sean Chittenden

src/backend/catalog/pg_largeobject.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/catalog/pg_largeobject.c,v 1.22 2004/12/31 21:59:38 pgsql Exp $
+ *	  $PostgreSQL: pgsql/src/backend/catalog/pg_largeobject.c,v 1.23 2005/02/23 23:27:54 neilc Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -114,7 +114,6 @@ LargeObjectExists(Oid loid)
 	Relation	pg_largeobject;
 	ScanKeyData skey[1];
 	SysScanDesc sd;
-	HeapTuple	tuple;
 
 	/*
 	 * See if we can find any tuples belonging to the specified LO
@@ -129,7 +128,7 @@ LargeObjectExists(Oid loid)
 	sd = systable_beginscan(pg_largeobject, LargeObjectLOidPNIndex, true,
 							SnapshotNow, 1, skey);
 
-	if ((tuple = systable_getnext(sd)) != NULL)
+	if (systable_getnext(sd) != NULL)
 		retval = true;
 
 	systable_endscan(sd);