unarr: support Deflate also without zlib

git-svn-id: http://sumatrapdf.googlecode.com/svn/trunk/ext/unarr@9565 841c7e00-0c1d-0410-a694-8ba26473ccb1
unarr: include LzmaDec.c for LZMA support without external dependencies

git-svn-id: http://sumatrapdf.googlecode.com/svn/trunk/ext/unarr@9566 841c7e00-0c1d-0410-a694-8ba26473ccb1