Document __FreeBSD_version values 1100034, 1000716,
903504, 804505.

Sponsored by:	The FreeBSD Foundation


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45625 c2e8774f-c49f-e111-b436-862b2bbc8956
Regen after r271687

Approved by:	re (implicit)
Sponsored by:	The FreeBSD Foundation


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45626 c2e8774f-c49f-e111-b436-862b2bbc8956