[SCSI] libfc: Declare local functions static

Avoid that sparse complains about missing declarations for local
functions by declaring these static or by adding an #include directive.
Add the __percpu annotation where it is missing.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 5d1a758..6a3922f 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -857,7 +857,7 @@
 	enum fc_lport_state	       state;
 	unsigned long		       boot_time;
 	struct fc_host_statistics      host_stats;
-	struct fcoe_dev_stats	       *dev_stats;
+	struct fcoe_dev_stats __percpu *dev_stats;
 	u8			       retry_count;
 
 	/* Fabric information */