Fix uninitialized variable in LZMA encoder. This was introduced in 369f72fd656f537a9a8e06f13e6d0d4c242be22f.
Fix uninitialized variable in LZMA encoder. This was
introduced in 369f72fd656f537a9a8e06f13e6d0d4c242be22f.

pombreda/go-liblzma,pombreda/go-liblzma,pombreda/go-liblzma