simplify json method signature for easier integration with java code

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1499972 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/webconsole-plugins/servicediagnostics/core/src/main/scala/servicediagnostics/ServiceDiagnosticsPlugin.scala b/webconsole-plugins/servicediagnostics/core/src/main/scala/servicediagnostics/ServiceDiagnosticsPlugin.scala
index 1ae85e9..3a33dca 100644
--- a/webconsole-plugins/servicediagnostics/core/src/main/scala/servicediagnostics/ServiceDiagnosticsPlugin.scala
+++ b/webconsole-plugins/servicediagnostics/core/src/main/scala/servicediagnostics/ServiceDiagnosticsPlugin.scala
@@ -96,6 +96,6 @@
     /** 
      * turn the ServiceDiagnostics output into a JSON representation.
      */
-    def json(map:Map[String,List[AnyRef]]) = 
+    def json(map:Map[String,List[String]]) = 
       new JSONObject(asJavaMap(mMap() ++ map.map(kv => (kv._1, asJavaList(kv._2)))))
 }