Properly un-giant-trick the cdevsw in fini_cdevsw()
Properly un-giant-trick the cdevsw in fini_cdevsw()

Tripped over by:	Huang wen hui <huang@gddsn.org.cn>

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