lzmat: add one byte to the max compressed length.
lzmat: add one byte to the max compressed length.

This works around a bug in LZMAT which manifests when attempting to
compress a buffer of random data one byte more than a multiple of 8.

Signed-off-by: Evan Nemerson <178b62e73cc3fab9e30bf27b2372c9ff92401915@coeus-group.com>

Cloudef/squash,quixdb/squash,jibsen/squash,Cloudef/squash,quixdb/squash,wolut/squash,wolut/squash,wolut/squash,quixdb/squash,Cloudef/squash,jibsen/squash,jibsen/squash