Fix strategy encoding; NFD returns a dataset with the ControlParameters encoding of a strategy
diff --git a/src/main/java/com/intel/jndn/management/NFD.java b/src/main/java/com/intel/jndn/management/NFD.java
index d1f0450..1a15a9d 100644
--- a/src/main/java/com/intel/jndn/management/NFD.java
+++ b/src/main/java/com/intel/jndn/management/NFD.java
@@ -487,7 +487,7 @@
    */
   public static void unsetStrategy(Face forwarder, Name prefix) throws Exception {
     // build command name
-    Name command = new Name("/localhost/nfd/strategy-choice/unsetset");
+    Name command = new Name("/localhost/nfd/strategy-choice/unset");
     ControlParameters parameters = new ControlParameters();
     parameters.setName(prefix);
     command.append(parameters.wireEncode());