git: Fix mdoc issues in various manual pages.

[Sascha Wildner]

commit e6fb0a49abb3c47a2af584f53e759611ee4906d8
Author: Sascha Wildner <saw at online.de>
Date:   Mon Dec 4 09:25:32 2017 +0100

    Fix mdoc issues in various manual pages.

Summary of changes:
 lib/libc/sys/umtx.2                           | 7 +++----
 lib/libpthread/pthread_mutex_getprioceiling.3 | 1 +
 sbin/ipfw/ipfw.8                              | 5 ++---
 usr.bin/mail/mail.1                           | 2 --
 usr.sbin/ppp/ppp.8.m4                         | 2 +-
 5 files changed, 7 insertions(+), 10 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/e6fb0a49abb3c47a2af584f53e759611ee4906d8


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