Set options.stableDest=0 for max_length=-1 (#140)
Set options.stableDest=0 for max_length=-1 (#140)

If max_length is -1, then there is potential for a PyMem_Realloc
to occur later. In that case, the LZ4 library can't rely on the
pointer it holds to the last 64 bytes to point to allocated memory,
since we've potentially moved the data in memory.

python-lz4/python-lz4,python-lz4/python-lz4