lib9/create.c: delete unused variable fixes build with GCC4.6
lib9/create.c: delete unused variable
fixes build with GCC4.6

R=adg
CC=golang-dev
http://codereview.appspot.com/4396048

h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang