fix pam admin user case
fix pam admin user case

fixes bug 994481

Change-Id: I4ba73d1ce7ea7bcd6e1d3614230b6bad7ed8e617

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