Fix a minor typo in bp url for an approved spec

Spec points to another (older)bp that had the exact same title. Both
blueprints were aimed at the same functionality, fix url to point to
the correct bp that superseded the old one.

Change-Id: I810f3a1f06e1cd0c37c89e8bd5683e0c16a06a6c

specs/kilo/approved/support-other-iscsi-transports-besides-tcp.rst

@@ -9,7 +9,7 @@
 ====================================================================
 
 
-https://blueprints.launchpad.net/nova/+spec/add-transport-support-to-iscsi
+https://blueprints.launchpad.net/nova/+spec/add-open-iscsi-transport-support
 
 Currently open-iscsi in openstack does not allow the use of offload iscsi
 transports (cxgb4i, qla4xx, bnx2i etc) or other software iscsi transports