Merge branch 'enhanced_viewport_overlay' into jgrpp

Further fixes for viewport lines/marker for multiplayer clients.

# Conflicts:
#	src/lang/russian.txt

src/timetable_gui.cpp

@@ -198,7 +198,7 @@ struct TimetableWindow : Window {
 	~TimetableWindow()
 	{
 		if (!FocusWindowById(WC_VEHICLE_VIEW, this->window_number)) {
-			MarkAllRouteStepsDirty(this);
+			MarkAllRouteStepsDirty(this->vehicle);
 		}
 	}
 
@@ -748,7 +748,7 @@ struct TimetableWindow : Window {
 	{
 		if (HasFocusedVehicleChanged(this->window_number, previously_focused_window)) {
 			MarkAllRoutePathsDirty(this->vehicle);
-			MarkAllRouteStepsDirty(this);
+			MarkAllRouteStepsDirty(this->vehicle);
 		}
 	}
 
@@ -756,7 +756,7 @@ struct TimetableWindow : Window {
 	{
 		if (HasFocusedVehicleChanged(this->window_number, newly_focused_window)) {
 			MarkAllRoutePathsDirty(this->vehicle);
-			MarkAllRouteStepsDirty(this);
+			MarkAllRouteStepsDirty(this->vehicle);
 		}
 	}