pgsql: Don't use function definitions looking like old-style ones.

Don't use function definitions looking like old-style ones.

This fixes a bunch of somewhat pedantic warnings with new
compilers. Since by far the majority of other functions definitions use
the (void) style it just seems to be consistent to do so as well in the
remaining few places.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/e95126cf048b08d7ff5eb72ec33737e9e27c08f8

Modified Files
--------------
contrib/pg_standby/pg_standby.c             |    2 +-
src/backend/access/transam/twophase.c       |    2 +-
src/backend/commands/trigger.c              |    2 +-
src/backend/replication/logical/snapbuild.c |    2 +-
src/backend/replication/repl_scanner.l      |    2 +-
src/backend/replication/walsender.c         |    2 +-
src/backend/storage/ipc/dsm_impl.c          |    2 +-
src/backend/utils/time/snapmgr.c            |    2 +-
src/bin/pg_resetxlog/pg_resetxlog.c         |    2 +-
src/pl/plperl/plperl.c                      |    2 +-
10 files changed, 10 insertions(+), 10 deletions(-)