polyrail: restore creating snappoints for new bridge

src/bridge_gui.cpp

@@ -24,6 +24,7 @@
 #include "cmd_helper.h"
 #include "tunnelbridge_map.h"
 #include "road_gui.h"
+#include "tilehighlight_func.h"
 
 #include "widgets/bridge_widget.h"
 
@@ -72,6 +73,7 @@ void CcBuildBridge(const CommandCost &result, TileIndex end_tile, uint32 p1, uin
 		DiagDirection start_direction = ReverseDiagDir(GetTunnelBridgeDirection(p1));
 		ConnectRoadToStructure(p1, start_direction);
 	}
+	StoreRailPlacementEndpoints(p1, end_tile, (TileX(p1) == TileX(end_tile)) ? TRACK_Y : TRACK_X, false);
 }
 
 /** Window class for handling the bridge-build GUI. */