Fix misguided removal of access/tuptoaster.h inclusion, per Kris Jurka.

I'm going to insist on reversion of this entire patch unless pgrminclude
is upgraded to a less broken state, but in the meantime let's get contrib
passing regression again.

src/backend/access/common/indextuple.c

@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/access/common/indextuple.c,v 1.78 2006/07/14 14:52:16 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/access/common/indextuple.c,v 1.79 2006/07/14 19:05:52 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -18,6 +18,7 @@
 
 #include "access/heapam.h"
 #include "access/itup.h"
+#include "access/tuptoaster.h"
 
 
 /* ----------------------------------------------------------------