Log Message:
-----------
Marginal hack to save a little bit of time in bpcharin() when typmod is -1,
which is a common case.
Modified Files:
--------------
pgsql/src/backend/utils/adt:
varchar.c (r1.109 -> r1.110)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/varchar.c.diff?r1=1.109&r2=1.110)