Finish pgindent run for 9.6: Perl files.

contrib/bloom/t/001_wal.pl

src/backend/storage/lmgr/generate-lwlocknames.pl

src/backend/utils/Gen_dummy_probes.pl

src/backend/utils/mb/Unicode/UCS_to_SJIS.pl

src/bin/pg_basebackup/t/010_pg_basebackup.pl

src/bin/pg_dump/t/001_basic.pl

src/bin/pg_dump/t/002_pg_dump.pl

src/bin/pg_rewind/RewindTest.pm

src/interfaces/ecpg/preproc/parse.pl

src/test/modules/commit_ts/t/001_base.pl

src/test/modules/commit_ts/t/002_standby.pl

src/test/modules/commit_ts/t/003_standby_2.pl

src/test/modules/test_pg_dump/t/001_base.pl

src/test/perl/PostgresNode.pm

src/test/perl/RecursiveCopy.pm

src/test/perl/TestLib.pm

src/test/recovery/t/001_stream_rep.pl

src/test/recovery/t/002_archiving.pl

src/test/recovery/t/003_recovery_targets.pl

src/test/recovery/t/004_timeline_switch.pl