In the rev. 1.153, the one place for converting minor number to unit was missed. As result, pty_create_slave() may index out of the names[] bounds, creating wrong slave tty names.
In the rev. 1.153, the one place for converting minor number to unit
was missed. As result, pty_create_slave() may index out of the names[]
bounds, creating wrong slave tty names.

Tested by:	kensmith
Reviewed by:	jhb
MFC after:	3 days

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