Add missing manual pages to man-refs.ent.
This commit covers missing manual pages from the head/,
stable/10/, and stable/9/ branches.

Sponsored by:	The FreeBSD Foundation


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45520 c2e8774f-c49f-e111-b436-862b2bbc8956