pgsql: Fix psql crash while parsing SQL file whose encoding is differen

Fix psql crash while parsing SQL file whose encoding is different from
client encoding and the client encoding is not *safe* one. Such an
example is, file encoding is UTF-8 and client encoding SJIS. Patch
contributed by Jiang Guiqing.

Branch
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REL9_0_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/ceee108acdf4c1f962574b3f9f9a6999891771dd

Modified Files
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src/bin/psql/psqlscan.l | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

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