pgsql: Repair plpgsql_validator breakage.

Repair plpgsql_validator breakage.

Commit 3a0e4d36ebd7f477822d5bae41ba121a40d22ccc arranged to
reference stack-allocated variables after they were out of scope.
That's no good, so let's arrange to not do that after all.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/0635c0b524368862da08271fbca626faf44290a2

Modified Files
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src/pl/plpgsql/src/pl_handler.c |   10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)