Add this file again, but deprecate it. It had been removed already, but re-adding it has the advantage that people will get deprecation warnings instead of compile errors if they use this class. Just like for all the other API changes we have done.
lucene/java/trunk/src/java/org/apache/lucene/analysis/de/
lucene/java/trunk/src/java/org/apache/lucene/analysis/de/WordlistLoader.java