pgsql: For consistency add a pfree to ON CONFLICT set_plan_refs code.

For consistency add a pfree to ON CONFLICT set_plan_refs code.

Backpatch to 9.5 where ON CONFLICT was introduced.

Author: Peter Geoghegan

Branch
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REL9_5_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/1884708e25c444eb9de6b0665b94c268bab25689

Modified Files
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src/backend/optimizer/plan/setrefs.c | 2 ++
1 file changed, 2 insertions(+)

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