random() -> rand(). (#1663)

src/factory/WFAlgoTaskFactory.inl

@@ -433,7 +433,7 @@ protected:
 	virtual void execute()
 	{
 		std::shuffle(this->input.first, this->input.last,
-					 std::mt19937_64(random()));
+					 std::mt19937_64(rand()));
 		this->output.first = this->input.first;
 		this->output.last = this->input.last;
 	}

src/nameservice/UpstreamPolicies.cc

@@ -30,7 +30,7 @@ class EndpointGroup
 public:
 	EndpointGroup(int group_id, UPSGroupPolicy *policy) :
 			mutex(PTHREAD_MUTEX_INITIALIZER),
-			gen(random())
+			gen(rand())
 	{
 		this->id = group_id;
 		this->policy = policy;