MFde: Update the German Documentation set.
doc/de_DE.ISO8859-1/books/handbook/install/chapter.sgml 1.412 -> 1.413
doc/de_DE.ISO8859-1/books/porters-handbook/book.sgml 1.1060 -> 1.1076 [X]
Obtained from: The FreeBSD German Documentation Project
- Contributed by: Fabian Ruch (fabianruch att bsdgroup dott de)