fix some amiga (morphos) warnings

git-svn-id: svn://svn.code.sf.net/p/uhexen2/code/trunk@5348 eaf649e6-6c13-0410-b194-84221022858e
rediff some extra patches

git-svn-id: svn://svn.code.sf.net/p/uhexen2/code/trunk@5349 eaf649e6-6c13-0410-b194-84221022858e
bumped the version date stamp to 2014-10-29

git-svn-id: svn://svn.code.sf.net/p/uhexen2/code/trunk@5350 eaf649e6-6c13-0410-b194-84221022858e
enabled mp3 in morphos builds and added a static libmad for morphos under oslibs.

git-svn-id: svn://svn.code.sf.net/p/uhexen2/code/trunk@5351 eaf649e6-6c13-0410-b194-84221022858e