Use use_forwarded_for in manila config
Use use_forwarded_for in manila config

In https://review.openstack.org/#/c/286876 the use_forwarded_for
option was removed from the Manila configuration. Manila does support
that option so it should be kept for logs to include the appropriate
clien IP address.

TrivialFix

Change-Id: I0279ad24a2331ce7e6e292549013b9553fe1a6f3
Related-Bug: #1548935

stackforge/kolla,rahulunair/kolla,negronjl/kolla,nihilifer/kolla,intel-onp/kolla,toby82/kolla,stackforge/kolla,negronjl/kolla,GalenMa/kolla,dardelean/kolla-ansible,rahulunair/kolla,intel-onp/kolla,stackforge/kolla,GalenMa/kolla,mrangana/kolla,tonyli71/kolla,nihilifer/kolla,toby82/kolla,openstack/kolla,mandre/kolla,tonyli71/kolla,mandre/kolla,coolsvap/kolla,openstack/kolla,mrangana/kolla,coolsvap/kolla,toby82/kolla,dardelean/kolla-ansible,coolsvap/kolla,dardelean/kolla-ansible,mandre/kolla,negronjl/kolla