Log Message:
-----------
Fix a memory leak in the autovacuum launcher code. Noted by Darcy Buskermolen,
who reported it privately to me.
Modified Files:
--------------
pgsql/src/backend/postmaster:
autovacuum.c (r1.57 -> r1.58)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/autovacuum.c?r1=1.57&r2=1.58)