It seems that libdisk(3) incorrectly sets d_secperunit value. Automatically fix it like GEOM_PART_BSD does.
It seems that libdisk(3) incorrectly sets d_secperunit value.
Automatically fix it like GEOM_PART_BSD does.

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