Change: Zero out the gameloop timers when the game is paused

src/framerate_gui.cpp

@@ -274,6 +274,7 @@ void PerformanceMeasurer::SetExpectedRate(double rate)
  */
 /* static */ void PerformanceMeasurer::Paused(PerformanceElement elem)
 {
+	PerformanceMeasurer::SetInactive(elem);
 	_pf_data[elem].AddPause(GetPerformanceTimer());
 }