[SCSI] bfa: fix strncpy() limiter in bfad_start_ops()

The closing parenthesis is in the wrong place so it takes the sizeof a
pointer instead of the sizeof the buffer minus one.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Anil Gurumurthy <agurumur@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>