pgsql: Fix comment atomics.h.

Fix comment atomics.h.

I appear to accidentally have switched the comments for
pg_atomic_write_u32 and pg_atomic_read_u32 around. Also fix some minor
typos I found while fixing.

Noticed-By: Amit Kapila
Backpatch: 9.5

Branch
------
REL9_5_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/04521eba3f024fdc226d6f0465e2bba7d37828a7

Modified Files
--------------
src/include/port/atomics.h | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)

--
Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-committers