[SCSI] small cleanups

This patch contains the following cleanups:
- make needlessly global functions static
- every file should #include the headers containing the prototypes for
  it's global functions

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/scsi_sysctl.c

@@ -9,6 +9,7 @@
 #include <linux/sysctl.h>
 
 #include "scsi_logging.h"
+#include "scsi_priv.h"
 
 
 static ctl_table scsi_table[] = {