[pgpool-committers: 1677] pgpool: Fix freeing NULL.

[Tatsuo Ishii]

Fix freeing NULL.

free_systemdb_info() should check if the argument is NULL or not.
Per Coverity 1111384.

Branch
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V3_1_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=3aac6102e6bdd2be85bd7b3dc7e48608f640ecec

Modified Files
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pcp/pcp.c |    3 +++
1 file changed, 3 insertions(+)