Trivial comment fix

--
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com
Index: src/backend/access/nbtree/nbtinsert.c
===================================================================
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/backend/access/nbtree/nbtinsert.c,v
retrieving revision 1.152
diff -c -r1.152 nbtinsert.c
*** src/backend/access/nbtree/nbtinsert.c    21 Feb 2007 20:02:17 -0000    1.152
--- src/backend/access/nbtree/nbtinsert.c    5 Mar 2007 09:47:37 -0000
***************
*** 1803,1810 ****
      BTPageOpaque opaque = (BTPageOpaque) PageGetSpecialPointer(page);

      /*
!      * Scan over all items to see which ones need deleted according to
!      * LP_DELETE flags.
       */
      minoff = P_FIRSTDATAKEY(opaque);
      maxoff = PageGetMaxOffsetNumber(page);
--- 1803,1810 ----
      BTPageOpaque opaque = (BTPageOpaque) PageGetSpecialPointer(page);

      /*
!      * Scan over all items to see which ones need to be deleted
!      * according to LP_DELETE flags.
       */
      minoff = P_FIRSTDATAKEY(opaque);
      maxoff = PageGetMaxOffsetNumber(page);