pgsql: MSYS: Skip src/test/recovery/t/017_shm.pl. - Mailing list pgsql-committers

MSYS: Skip src/test/recovery/t/017_shm.pl.

Commit 947a35014fdc2ec74cbf06c7dbac6eea6fae90c6 relied on a feature
available in v11 and later, so back-patching it to v10 and v9.6 was
invalid.  In those branches, revert it and skip the test on msys.

Discussion:
https://postgr.es/m/GrdLgAdUK9FdyZg8VIcTDKVOkys122ZINEb3CjjoySfGj2KyPiMKTh1zqtRp0TAD7FJ27G-OBB3eplxIB5GhcQH5o8zzGZfp0MuJaXJxVxk=@yesql.se

Branch
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REL9_6_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/6b7906e1d9e757bfbbf80df9461a31bf8bc578dd

Modified Files
--------------
src/test/perl/PostgresNode.pm  | 4 +---
src/test/recovery/t/017_shm.pl | 9 ++++++++-
2 files changed, 9 insertions(+), 4 deletions(-)