pgsql: Initial pgperltidy run for v12.

Initial pgperltidy run for v12.

Make all the perl code look nice, too (for some value of "nice").

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/db6e2b4c52ade524f3db419d75084728e96e1f9c

Modified Files
--------------
src/backend/catalog/genbki.pl                |   8 +-
src/backend/utils/Gen_fmgrtab.pl             |   2 +-
src/bin/initdb/t/001_initdb.pl               |  10 +-
src/bin/pg_basebackup/t/010_pg_basebackup.pl |   2 +-
src/bin/pg_checksums/t/002_actions.pl        | 166 +++++++++++++++------------
src/bin/pg_ctl/t/001_start_stop.pl           |   1 +
src/bin/pg_ctl/t/004_logrotate.pl            |  21 ++--
src/bin/pg_dump/t/001_basic.pl               |  11 +-
src/bin/pg_dump/t/002_pg_dump.pl             |  41 +++----
src/bin/pg_rewind/t/002_databases.pl         |   6 +-
src/bin/pg_rewind/t/RewindTest.pm            |  16 +--
src/bin/pgbench/t/001_pgbench_with_server.pl | 144 +++++++++++++----------
src/bin/scripts/t/090_reindexdb.pl           |   3 +-
src/bin/scripts/t/100_vacuumdb.pl            |  12 +-
src/include/catalog/unused_oids              |   3 +-
src/interfaces/ecpg/preproc/check_rules.pl   |   8 +-
src/interfaces/ecpg/preproc/parse.pl         |   8 +-
src/test/modules/commit_ts/t/004_restart.pl  |   5 +-
src/test/perl/TestLib.pm                     |   2 +-
src/test/recovery/t/001_stream_rep.pl        |  80 +++++++------
src/test/recovery/t/003_recovery_targets.pl  |  25 ++--
src/test/recovery/t/004_timeline_switch.pl   |   4 +-
src/test/recovery/t/013_crash_restart.pl     |   6 +-
src/test/recovery/t/015_promotion_pages.pl   |  20 ++--
src/test/recovery/t/016_min_consistency.pl   |  29 +++--
src/test/ssl/t/001_ssltests.pl               |  69 +++++++----
src/test/ssl/t/002_scram.pl                  |   3 +-
src/test/subscription/t/002_types.pl         |   6 +-
src/test/subscription/t/011_generated.pl     |  24 ++--
src/test/subscription/t/012_collation.pl     |  24 ++--
src/test/subscription/t/100_bugs.pl          |  12 +-
src/tools/gen_keywordlist.pl                 |  34 +++---
src/tools/msvc/Install.pm                    |  19 +--
src/tools/msvc/Solution.pm                   |  33 ++++--
src/tools/msvc/build.pl                      |   2 +-
src/tools/msvc/install.pl                    |   2 +-
src/tools/msvc/mkvcbuild.pl                  |   2 +-
src/tools/msvc/vcregress.pl                  |   8 +-
38 files changed, 487 insertions(+), 384 deletions(-)