Have tuninit() return an error if an interface address is NULL. SIOCGIFSTATUS was returning at splimp(); fix this.  (to be MFC'd)
Have tuninit() return an error if an interface address is NULL.
SIOCGIFSTATUS was returning at splimp(); fix this.  (to be MFC'd)

Submitted by:  Marius Bendiksen

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