[SCSI] scsi_transport_fc: fix kernel-doc param name

Change function parameter name in kernel-doc to match the function's
actual parameter name, to fix 2 kernel-doc warnings.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/scsi_transport_fc.c

@@ -3432,7 +3432,7 @@ fc_bsg_jobdone(struct fc_bsg_job *job)
 
 /**
  * fc_bsg_softirq_done - softirq done routine for destroying the bsg requests
- * @req:        BSG request that holds the job to be destroyed
+ * @rq:        BSG request that holds the job to be destroyed
  */
 static void fc_bsg_softirq_done(struct request *rq)
 {