MFC r277463:
MFC r277463:

Fix xz handling for files larger than 32K.

Submitted by:	Stefan Ehmann <shoesoft gmx net>
PR:		bin/186861

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase