Run newly-configured perltidy script on Perl files.

contrib/intarray/bench/bench.pl

contrib/intarray/bench/create_test.pl

contrib/seg/seg-validate.pl

contrib/seg/sort-segments.pl

doc/src/sgml/generate-errcodes-table.pl

doc/src/sgml/generate_history.pl

doc/src/sgml/mk_feature_tables.pl

src/backend/catalog/Catalog.pm

src/backend/catalog/genbki.pl

src/backend/utils/Gen_fmgrtab.pl

src/backend/utils/generate-errcodes.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_SHIFT_JIS_2004.pl

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