Fix SyntaxError: invalid syntax - comma.

  File "/var/jenkins/workspace/openstack-tempest_on-slave_testing/tempest/tempest/services/object_storage/account_client.py", line 36
    headers = {"X-Storage-Token", self.token}
                                ^
SyntaxError: invalid syntax

Change-Id: I850aba75a28edfd2990accadfb0f3e7115eba864
1 file changed