Fix mispelt x-auth-token header
Fix mispelt x-auth-token header

Fixes bug 1163546

Change-Id: I4b40ee2be950ee2cd13217f954d72fe1e42a1d6c

Shihta/python-novaclient,JioCloud/python-novaclient,takeshineshiro/python-novaclient,ntt-sic/python-novaclient,takeshineshiro/python-novaclient,mat128/python-novaclient,CCI-MOC/python-novaclient,ntt-sic/python-novaclient,akash1808/python-novaclient,metacloud/python-novaclient,CCI-MOC/python-novaclient,citrix-openstack-build/python-novaclient,mat128/python-novaclient,akash1808/python-novaclient,Shihta/python-novaclient,guptaankita/python-novaclient,metacloud/python-novaclient,guptaankita/python-novaclient,JioCloud/python-novaclient,citrix-openstack-build/python-novaclient