pgsql: Make sure to run one initdb TAP test with no TZ set

Make sure to run one initdb TAP test with no TZ set

That way we make sure that initdb's time zone setting code is exercised.
This doesn't add an extra test, it just alters an existing test.

Discussion: </messages/by-id/5807.1492229253@sss.pgh.pa.us&gt;

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/033b969edde62c84ee15b53972ee638150a28c90

Modified Files
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src/bin/initdb/t/001_initdb.pl | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

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