cciss: include scsi/scsi.h unconditionally

Make cciss unconditionally include scsi/scsi.h, because of the use of
SCSI_IOCTL_GET_IDLUN and SCSI_IOCTL_GET_BUS_NUMBER.

Signed-off-by: Stephen M. Cameron <steve.cameron@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 4ec3e75..370dfe1 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -45,6 +45,7 @@
 #include <linux/blkdev.h>
 #include <linux/genhd.h>
 #include <linux/completion.h>
+#include <scsi/scsi.h>
 #include <scsi/sg.h>
 #include <scsi/scsi_ioctl.h>
 #include <linux/cdrom.h>