MFbed: Update the German documentation set.
doc/de_DE.ISO8859-1/books/faq/book.sgml 1.792 -> 1.793
doc/de_DE.ISO8859-1/books/handbook/install/chapter.sgml 1.345 -> 1.346
doc/de_DE.ISO8859-1/books/handbook/introduction/chapter.sgml 1.117 -> 1.118
doc/de_DE.ISO8859-1/books/handbook/mirrors/chapter.sgml 1.429 -> 1.431
doc/de_DE.ISO8859-1/books/handbook/network-servers/chapter.sgml 1.94 -> 1.95
doc/de_DE.ISO8859-1/share/sgml/glossary/freebsd-glossary.sgml 1.25 -> 1.26
Obtained from: The FreeBSD German Documentation Project.