Fixed randomization on Windows platform

videodev-simulation.cc

@@ -206,11 +206,15 @@ Simulation::Simulation() {
 
 void Simulation::Reset() {
 	int i;
+	static int first = 1;
 
 	LockMutex();
 
-	time_t t = time(NULL);
-	srand (t);
+	if(first) {
+	  time_t t = time(NULL);
+	  srand (t);
+	  first = 0;
+	}
 
 	//
 	// object movement