pgsql: Clean up newlines following left parentheses

Clean up newlines following left parentheses

Most came in during the 17 cycle, so backpatch there.  Some
(particularly reorderbuffer.h) are very old, but backpatching doesn't
seem useful.

Like commits c9d297751959, c4f113e8fef9.

Branch
------
REL_17_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/b0e572819d51bfd87d161e5e1d11178610f6fb3a

Modified Files
--------------
contrib/bloom/bloom.h                       |  9 +++------
src/backend/backup/basebackup_incremental.c |  8 ++++----
src/backend/utils/init/postinit.c           |  3 +--
src/bin/pg_combinebackup/load_manifest.c    |  3 +--
src/common/parse_manifest.c                 |  5 ++---
src/common/unicode/category_test.c          | 24 ++++++++----------------
src/include/common/parse_manifest.h         |  4 ++--
src/include/replication/reorderbuffer.h     | 27 +++++++++------------------
8 files changed, 30 insertions(+), 53 deletions(-)