Log Message:
-----------
Fix two-argument form of ts_rewrite() so it actually works for cases where
a later rewrite rule should change a subtree modified by an earlier one.
Per my gripe of a few days ago.

Modified Files:
--------------
pgsql/src/backend/utils/adt:
tsquery_rewrite.c (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsw...?r1=1.4&r2=1.5)
tsquery_util.c (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsw...?r1=1.4&r2=1.5)
pgsql/src/include/tsearch:
ts_utils.h (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsw...?r1=1.6&r2=1.7)
pgsql/src/test/regress/expected:
tsearch.out (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsw...?r1=1.3&r2=1.4)

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