Fix bracketing error in CaseExpr code

src/backend/optimizer/util/tlist.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.23 1999/02/03 21:16:54 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.24 1999/02/07 03:02:21 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -509,12 +509,13 @@ flatten_tlistentry(Node *tlistentry, List *flat_tlist)
 	else if (case_clause(tlistentry))
 	{
 		CaseExpr   *cexpr = (CaseExpr *) tlistentry;
-		CaseWhen   *cwhen;
 		List	   *elt = NIL;
 
 		foreach(elt, cexpr->args)
-			cwhen = (CaseWhen *)lfirst(elt);
+		{
+			CaseWhen *cwhen = (CaseWhen *)lfirst(elt);
 			cwhen->result = flatten_tlistentry(cwhen->result, flat_tlist);
+		}
 		cexpr->defresult = flatten_tlistentry(cexpr->defresult, flat_tlist);
 
 		return ((Node *) cexpr);