Log Message:
-----------
Fix off-by-one memory allocation, as reported by Rod Taylor. Also
avoid repalloc'ing twice when once is sufficient.
Modified Files:
--------------
pgsql/src/backend/libpq:
hba.c (r1.133 -> r1.134)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/libpq/hba.c.diff?r1=1.133&r2=1.134)