tools: nfdc strategy set/unset commands

nfdc set-strategy and nfdc unset-strategy are deprecated.

refs #3865

Change-Id: I934cbfcd567ac7ee33381ae4baf00b668977a0aa
diff --git a/tools/nfdc/strategy-choice-module.hpp b/tools/nfdc/strategy-choice-module.hpp
index aabc3db..71fa9a2 100644
--- a/tools/nfdc/strategy-choice-module.hpp
+++ b/tools/nfdc/strategy-choice-module.hpp
@@ -56,6 +56,16 @@
   static void
   show(ExecuteContext& ctx);
 
+  /** \brief the 'strategy set' command
+   */
+  static void
+  set(ExecuteContext& ctx);
+
+  /** \brief the 'strategy unset' command
+   */
+  static void
+  unset(ExecuteContext& ctx);
+
   void
   fetchStatus(Controller& controller,
               const function<void()>& onSuccess,