pgsql: Adjust pg_upgrade FATAL error messages to have consistent newlin

Adjust pg_upgrade FATAL error messages to have consistent newlines.

Also adjust some error message capitalization for consistency.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/5c5f83507cb697e436f8f9d20d62787c1a66d19c

Modified Files
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contrib/pg_upgrade/check.c | 2 +-
contrib/pg_upgrade/exec.c | 8 ++++----
contrib/pg_upgrade/file.c | 2 +-
contrib/pg_upgrade/option.c | 6 +++---
contrib/pg_upgrade/pg_upgrade.c | 2 +-
contrib/pg_upgrade/server.c | 2 +-
contrib/pg_upgrade/util.c | 5 ++---
contrib/pg_upgrade/version.c | 2 +-
contrib/pg_upgrade/version_old_8_3.c | 12 ++++++------
9 files changed, 20 insertions(+), 21 deletions(-)