[COMMITTERS] pgsql: Fix memory leaks in libpqwalreceiver

Fix memory leaks in libpqwalreceiver

The results of the libpq functions PQescapeIdentifier() and
PQescapeLiteral() must be freed explicitly.  Also handle errors in these
functions better.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/16a61884b5956778cae64a5746f4cdd9ae1ae01b

Modified Files
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.../libpqwalreceiver/libpqwalreceiver.c            | 32 ++++++++++++++++++----
1 file changed, 26 insertions(+), 6 deletions(-)