pgsql: Fix thinko in comment (launcher -> worker) - Mailing list pgsql-committers

Fix thinko in comment (launcher -> worker)

Branch
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REL9_4_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/b8839b3a74b776f94dae9852453fca98aa20032f

Modified Files
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src/backend/postmaster/autovacuum.c |    4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)