Do not ignore block offsets.
Do not ignore block offsets.

PR:	kern/160943
Submitted by:	Craig Boston <cb severious net>
Reviewed by:	Danny Braniss <danny cs huji ac il>
MFC after:	1 week

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