[SCSI] iscsi regression: check for zero max session cmds

The old tools did not set max session cmds. This is a regression.
I removed the check when merging the power of 2 patch.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 9981682..dfb026b 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -33,7 +33,7 @@
 #define ISCSI_SESSION_ATTRS 19
 #define ISCSI_CONN_ATTRS 13
 #define ISCSI_HOST_ATTRS 4
-#define ISCSI_TRANSPORT_VERSION "2.0-868"
+#define ISCSI_TRANSPORT_VERSION "2.0-869"
 
 struct iscsi_internal {
 	int daemon_pid;