[SCSI] make scsi_end_bidi_request() static

This patch makes the needlessly global scsi_end_bidi_request() static.
Signed-off-by: NAdrian Bunk <bunk@kernel.org>
Acked-by: NBoaz Harrosh <bharrosh@panasas.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/scsi_lib.c

@@ -784,7 +784,7 @@ EXPORT_SYMBOL(scsi_release_buffers);
  * in req->data_len and req->next_rq->data_len. The upper-layer driver can
  * decide what to do with this information.
  */
-void scsi_end_bidi_request(struct scsi_cmnd *cmd)
+static void scsi_end_bidi_request(struct scsi_cmnd *cmd)
 {
 	struct request *req = cmd->request;
 	unsigned int dlen = req->data_len;