console_handler: fix start_default_console use of prompt parameter

It had not been updated to the function type change

contrib/epee/include/console_handler.h

@@ -401,13 +401,19 @@ eof:
 
 
   template<class t_server, class t_handler>
-  bool start_default_console(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
+  bool start_default_console(t_server* ptsrv, t_handler handlr, std::function<std::string(void)> prompt, const std::string& usage = "")
   {
     std::shared_ptr<async_console_handler> console_handler = std::make_shared<async_console_handler>();
     boost::thread([=](){console_handler->run<t_server, t_handler>(ptsrv, handlr, prompt, usage);}).detach();
     return true;
   }
 
+  template<class t_server, class t_handler>
+  bool start_default_console(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
+  {
+    return start_default_console(ptsrv, handlr, [prompt](){ return prompt; }, usage);
+  }
+
   template<class t_server>
   bool start_default_console(t_server* ptsrv, const std::string& prompt, const std::string& usage = "")
   {
@@ -421,19 +427,31 @@ eof:
     }
 
   template<class t_server, class t_handler>
-  bool run_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
+  bool run_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, std::function<std::string(void)> prompt, const std::string& usage = "")
   {
     async_console_handler console_handler;
     return console_handler.run(ptsrv, boost::bind<bool>(no_srv_param_adapter<t_server, t_handler>, _1, _2, handlr), prompt, usage);
   }
 
   template<class t_server, class t_handler>
-  bool start_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
+  bool run_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
+  {
+    return run_default_console_handler_no_srv_param(ptsrv, handlr, [prompt](){return prompt;},usage);
+  }
+
+  template<class t_server, class t_handler>
+  bool start_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, std::function<std::string(void)> prompt, const std::string& usage = "")
   {
     boost::thread( boost::bind(run_default_console_handler_no_srv_param<t_server, t_handler>, ptsrv, handlr, prompt, usage) );
     return true;
   }
 
+  template<class t_server, class t_handler>
+  bool start_default_console_handler_no_srv_param(t_server* ptsrv, t_handler handlr, const std::string& prompt, const std::string& usage = "")
+  {
+    return start_default_console_handler_no_srv_param(ptsrv, handlr, [prompt](){return prompt;}, usage);
+  }
+
   /*template<class a>
   bool f(int i, a l)
   {