pgsql: In pg_upgrade, remove suggestion of setting pg_hba.conf to 'trus

In pg_upgrade, remove suggestion of setting pg_hba.conf to 'trust', now
that we report the libpq connection failure string. Per suggestion from
Robert Haas.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/5059cf6ebf36bc9731b8394a1d2c9dba6cb50a3c

Modified Files
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contrib/pg_upgrade/server.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)