pgsql: Break up long GETTEXT_FILES lists

Break up long GETTEXT_FILES lists

One file per line seems best. We already did this in some cases.
This adopts the same format everywhere (except in some cases where the
list reasonably fits on one line).

Branch
------
master

Details
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https://git.postgresql.org/pg/commitdiff/2a71ad64cb27a86afa2a86bde70df3522aee7bae

Modified Files
--------------
src/bin/initdb/nls.mk | 13 ++++++++++++-
src/bin/pg_ctl/nls.mk | 6 +++++-
src/bin/pg_dump/nls.mk | 26 +++++++++++++++++++-------
src/bin/pg_resetwal/nls.mk | 4 +++-
src/bin/pg_rewind/nls.mk | 15 ++++++++++++++-
src/bin/pg_upgrade/nls.mk | 18 +++++++++++++++---
src/bin/pg_waldump/nls.mk | 5 ++++-
src/bin/psql/nls.mk | 30 +++++++++++++++++++++++-------
src/bin/scripts/nls.mk | 16 +++++++++++-----
src/interfaces/libpq/nls.mk | 15 ++++++++++++++-
src/pl/plpgsql/src/nls.mk | 7 ++++++-
src/pl/plpython/nls.mk | 14 ++++++++++++--
12 files changed, 138 insertions(+), 31 deletions(-)