applying polyline patch

--HG--
branch : openttd

src/misc.cpp

@@ -110,6 +110,7 @@ void InitializeGame(uint size_x, uint size_y, bool reset_date, bool reset_settin
 	InitializeEconomy();
 
 	ResetObjectToPlace();
+	ResetRailPlacementSnapping();
 
 	GamelogReset();
 	GamelogStartAction(GLAT_START);