Applying patch for bug XALANJ-2495 from Martin von Gagern which corrects a
mistranslation of two messages to German.  I don't speak or read German, so I'm
taking it on faith that the new message text improves upon the old.

git-svn-id: https://svn.apache.org/repos/asf/xalan/java/trunk@884640 13f79535-47bb-0310-9956-ffa450edef68