Fix umlauts.

Submitted by:	Bjoern Heidotting
Fixed by:	iconv(1)
Pointy hat to:	bcr
Obtained from:	The FreeBSD German Documentation Project


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45622 c2e8774f-c49f-e111-b436-862b2bbc8956