[pgpool-committers: 1372] pgpool: Fix memory leak when do_query() fails in timestamp rewriting.

[Tatsuo Ishii]

Fix memory leak when do_query() fails in timestamp rewriting.

For this purpose free_select_result() is changed to accept NULL
argument.  Per Coverity report "1111454, 1111455 Resource leak".

Branch
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V3_1_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=a146b383f115f428b9d85a2aa9b31d5decd919a7

Modified Files
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pool_process_query.c |    3 +++
pool_timestamp.c     |    6 ++++--
2 files changed, 7 insertions(+), 2 deletions(-)