Post-PG 10 beta1 pgperltidy run

contrib/intarray/bench/bench.pl

src/backend/catalog/Catalog.pm

src/backend/catalog/genbki.pl

src/backend/parser/check_keywords.pl

src/backend/utils/Gen_fmgrtab.pl

src/backend/utils/mb/Unicode/UCS_to_BIG5.pl

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

src/backend/utils/mb/Unicode/UCS_to_EUC_JIS_2004.pl

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

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

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

src/backend/utils/mb/Unicode/UCS_to_GB18030.pl

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

src/backend/utils/mb/Unicode/UCS_to_SHIFT_JIS_2004.pl

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

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

src/backend/utils/mb/Unicode/convutils.pm

src/bin/initdb/t/001_initdb.pl

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

src/bin/pg_basebackup/t/030_pg_recvlogical.pl