Fix typo in shibboleth federation docs
Fix typo in shibboleth federation docs

The WSGIScriptAlias is actually a WSGIScriptAliasMatch

Change-Id: I329b08680a380fee4fb964e8afa18910b47ce4b9

rajalokan/keystone,rajalokan/keystone,openstack/keystone,openstack/keystone,mahak/keystone,rajalokan/keystone,ilay09/keystone,ilay09/keystone,openstack/keystone,mahak/keystone,mahak/keystone,ilay09/keystone