Allow referencing waypoints in news items

src/news_gui.cpp

@@ -71,7 +71,7 @@ static TileIndex GetReferenceTile(NewsReferenceType reftype, uint32 ref)
 {
 	switch (reftype) {
 		case NR_TILE:     return (TileIndex)ref;
-		case NR_STATION:  return Station::Get((StationID)ref)->xy;
+		case NR_STATION:  return BaseStation::Get((StationID)ref)->xy;
 		case NR_INDUSTRY: return Industry::Get((IndustryID)ref)->location.tile + TileDiffXY(1, 1);
 		case NR_TOWN:     return Town::Get((TownID)ref)->xy;
 		default:          return INVALID_TILE;

src/waypoint.cpp

@@ -16,6 +16,7 @@
 #include "viewport_kdtree.h"
 #include "tracerestrict.h"
 #include "newgrf_debug.h"
+#include "news_func.h"
 
 #include "safeguards.h"
 
@@ -58,4 +59,7 @@ Waypoint::~Waypoint()
 	RemoveOrderFromAllVehicles(OT_GOTO_WAYPOINT, this->index);
 	if (_viewport_sign_kdtree_valid && this->sign.kdtree_valid) _viewport_sign_kdtree.Remove(ViewportSignKdtreeItem::MakeWaypoint(this->index));
 	TraceRestrictRemoveDestinationID(TROCAF_WAYPOINT, this->index);
+
+	/* Remove all news items */
+	DeleteStationNews(this->index);
 }