[SCSI] zfcp: fix initialization of FSF timer

Correctly initialize the timer for FSF requests with jiffies + timeout.

Cc: Swen Schillig <swen@vnet.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>