pgsql: Review program help output for wording and formatting

Review program help output for wording and formatting

Branch
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REL9_5_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/ea00ff5f1058d2ede0b3ddda47b8713f11a6832a

Modified Files
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src/bin/pg_basebackup/pg_receivexlog.c  |    2 +-
src/bin/pg_basebackup/pg_recvlogical.c  |    2 +-
src/bin/pg_controldata/pg_controldata.c |    3 ++-
src/bin/pg_dump/pg_dump.c               |    3 ++-
src/bin/pg_dump/pg_restore.c            |    2 +-
src/bin/pg_resetxlog/pg_resetxlog.c     |    3 ++-
src/bin/pg_rewind/pg_rewind.c           |    4 ++--
src/bin/pgbench/pgbench.c               |    3 +--
src/bin/psql/help.c                     |    7 ++++---
src/bin/scripts/vacuumdb.c              |    6 +++---
10 files changed, 19 insertions(+), 16 deletions(-)