Fix syntax error in sahara permissions

Key was missing an ending double quote.

Change-Id: Ia11e3f7484c1937cd11a01410dcbee213e994338
Related-Bug: #1631503

ansible/roles/sahara/templates/sahara-api.json.j2

@@ -11,7 +11,7 @@
     "permissions": [
         {
             "path": "/var/lib/sahara",
-            "owner: "sahara:sahara",
+            "owner": "sahara:sahara",
             "recurse": true
         },
         {

ansible/roles/sahara/templates/sahara-engine.json.j2

@@ -11,7 +11,7 @@
     "permissions": [
         {
             "path": "/var/lib/sahara",
-            "owner: "sahara:sahara",
+            "owner": "sahara:sahara",
             "recurse": true
         },
         {