[SCSI] remove Scsi_Device typedef

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c
index 29a86ee..b7b20c6 100644
--- a/drivers/scsi/arm/acornscsi.c
+++ b/drivers/scsi/arm/acornscsi.c
@@ -2862,7 +2862,7 @@
 			int length, int inout)
 {
     int pos, begin = 0, devidx;
-    Scsi_Device *scd;
+    struct scsi_device *scd;
     AS_Host *host;
     char *p = buffer;