Fix up some trivial license mismatches

In preparation of the Hacking check that would reject
those licenses in the future.

Change-Id: I2ba5080ed836c62fa54fa2734c2ecd3114639b75

keystone/common/openssl.py

@@ -12,6 +12,7 @@
 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
+# under the License.
 #
 
 import os