[SCSI] bfa: fixed checkpatch errors for bfad files

This patch fixes checkpatch errors/warnings in bfad files.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/bfad_intr.c b/drivers/scsi/bfa/bfad_intr.c
index f104e02..7de8832 100644
--- a/drivers/scsi/bfa/bfad_intr.c
+++ b/drivers/scsi/bfa/bfad_intr.c
@@ -23,13 +23,12 @@
 /**
  *  bfa_isr BFA driver interrupt functions
  */
-irqreturn_t bfad_intx(int irq, void *dev_id);
 static int msix_disable;
 module_param(msix_disable, int, S_IRUGO | S_IWUSR);
 /**
  * Line based interrupt handler.
  */
-irqreturn_t
+static irqreturn_t
 bfad_intx(int irq, void *dev_id)
 {
 	struct bfad_s         *bfad = dev_id;