pgsql: libpq: Fix another bug in 721f7bd3cbccaf8c07cad2707826b83f846948

libpq: Fix another bug in 721f7bd3cbccaf8c07cad2707826b83f84694832.

If we failed to connect to one or more hosts, and then afterwards we
find one that fails to be read-write, the latter error message was
clobbering any earlier ones.  Repair.

Mithun Cy, slightly revised by me.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/a0ae54df9b153256a9d0afe45732853cb5ccae09

Modified Files
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src/interfaces/libpq/fe-connect.c | 66 +++++++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)