Remove duplicate extern declaration.

src/include/executor/nodeIndexscan.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: nodeIndexscan.h,v 1.14 2001/11/05 17:46:33 momjian Exp $
+ * $Id: nodeIndexscan.h,v 1.15 2001/11/12 16:34:58 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -24,6 +24,5 @@ extern void ExecIndexRestrPos(IndexScan *node);
 extern void ExecUpdateIndexScanKeys(IndexScan *node, ExprContext *econtext);
 extern bool ExecInitIndexScan(IndexScan *node, EState *estate, Plan *parent);
 extern int	ExecCountSlotsIndexScan(IndexScan *node);
-extern void ExecIndexReScan(IndexScan *node, ExprContext *exprCtxt, Plan *parent);
 
 #endif   /* NODEINDEXSCAN_H */