Fix alarm-evaluator can't start when ssl was enabled

Change-Id: I8cd3f3c7e745107ad4e0cbed7ebdd247a34fbbbd
Closes-Bug: #1453061
(cherry picked from commit ed8408c61f)

ceilometerclient/client.py

@@ -257,10 +257,10 @@ def _adjust_kwargs(kwargs):
         if insecure:
             verify = False
         else:
-            verify = kwargs.get('cacert') or True
+            verify = client_kwargs.get('cacert') or True
 
-    cert = kwargs.get('cert_file')
-    key = kwargs.get('key_file')
+    cert = client_kwargs.get('cert_file')
+    key = client_kwargs.get('key_file')
     if cert and key:
         cert = cert, key