fix some more pass-by-reference bugs
fix some more pass-by-reference bugs

cbrucks/Federated_Keystone,cernops/keystone,savi-dev/keystone,jonnary/keystone,cbrucks/Federated_Keystone,jumpstarter-io/keystone,openstack/keystone,openstack/keystone,jamielennox/keystone,dsiddharth/access-keys,mahak/keystone,townbull/keystone-dtrust,kwss/keystone,idjaw/keystone,rajalokan/keystone,dstanek/keystone,cbrucks/keystone_ldap,himanshu-setia/keystone,dstanek/keystone,promptworks/keystone,rickerc/keystone_audit,himanshu-setia/keystone,townbull/keystone-dtrust,rajalokan/keystone,ilay09/keystone,sileht/deb-openstack-keystone,promptworks/keystone,jumpstarter-io/keystone,ging/keystone,savi-dev/keystone,nuxeh/keystone,takeshineshiro/keystone,citrix-openstack-build/keystone,derekchiang/keystone,mahak/keystone,cloudbau/keystone,JioCloud/keystone,rajalokan/keystone,townbull/keystone-dtrust,cbrucks/keystone_ldap,maestro-hybrid-cloud/keystone,UTSA-ICS/keystone-kerberos,jamielennox/keystone,dsiddharth/access-keys,ntt-sic/keystone,derekchiang/keystone,roopali8/keystone,openstack/keystone,idjaw/keystone,ajayaa/keystone,reeshupatel/demo,rodrigods/keystone,vivekdhayaal/keystone,mahak/keystone,UTSA-ICS/keystone-kerberos,rushiagr/keystone,sileht/deb-openstack-keystone,derekchiang/keystone,vivekdhayaal/keystone,citrix-openstack-build/keystone,blueboxgroup/keystone,citrix-openstack-build/keystone,dims/keystone,kwss/keystone,dims/keystone,reeshupatel/demo,sileht/deb-openstack-keystone,promptworks/keystone,klmitch/keystone,savi-dev/keystone,MaheshIBM/keystone,jumpstarter-io/keystone,cloudbau/keystone,cbrucks/keystone_ldap,ntt-sic/keystone,dsiddharth/access-keys,roopali8/keystone,ntt-sic/keystone,cloudbau/keystone,takeshineshiro/keystone,dstanek/keystone,rickerc/keystone_audit,nuxeh/keystone,klmitch/keystone,maestro-hybrid-cloud/keystone,jonnary/keystone,nuxeh/keystone,blueboxgroup/keystone,ging/keystone,rickerc/keystone_audit,ajayaa/keystone,reeshupatel/demo,JioCloud/keystone,ilay09/keystone,cernops/keystone,MaheshIBM/keystone,kwss/keystone,rushiagr/keystone,ilay09/keystone,rodrigods/keystone,vivekdhayaal/keystone,cbrucks/Federated_Keystone,rushiagr/keystone