pgsql: Enable settings used in TAP tests for MSVC builds

Enable settings used in TAP tests for MSVC builds

Certain settings from configuration or the Makefile infrastructure are
used by the TAP tests, but were not being set up by vcregress.pl. This
remedies those omissions. This should increase test coverage, especially
on the buildfarm.

Reviewed by Noah Misch

Discussion: /messages/by-id/17093da5-e40d-8335-d53a-2bd803fc38b0@dunslane.net

Backpatch to all live branches.

Branch
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REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/da57b1529cc117272a034e7942f76e6647af1732

Modified Files
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src/tools/msvc/vcregress.pl | 15 +++++++++++++++
1 file changed, 15 insertions(+)