pgsql: Fix previous patch so it also works if not USE_SSL (mea culpa).

Fix previous patch so it also works if not USE_SSL (mea culpa).

On balance, the need to cover this case changes my mind in favor of pushing
all error-message generation duties into the two fe-secure.c routines.
So do it that way.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/bcf23ba4bf8323f875168c5dbc93265a140753e8

Modified Files
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src/interfaces/libpq/fe-misc.c   |   58 ++--------
src/interfaces/libpq/fe-secure.c |  210 ++++++++++++++++++++++++++++----------
2 files changed, 170 insertions(+), 98 deletions(-)