Merge pull request #574 from Security-Onion-Solutions/quickfix/grafana

add missing ,

salt/common/grafana/grafana_dashboards/eval/eval.json

@@ -2795,7 +2795,7 @@
         "timeShift": null,
         "title": "{{ SERVERNAME }} - System Uptime",
         "type": "stat"
-      }
+      },
       {
         "cacheTimeout": null,
         "datasource": "InfluxDB",
@@ -4272,4 +4272,4 @@
     "title": "Evaluation Mode - {{ SERVERNAME }} Overview",
     "uid": "{{ UID }}",
     "version": 1
-  }
+  }