Updated jubilee horsepower

src/trains/steam/LMSJubilee.pnml

@@ -58,7 +58,7 @@
 // 		refit_cost:						0;
 // 		track_type:						RAIL;
 // 		ai_special_flag:				AI_FLAG_CARGO;
-// 		power:							1150 hp;
+// 		power:							1550 hp;
 // 		running_cost_base:				RUNNING_COST_STEAM;
 // 		dual_headed:					0;
 // 		default_cargo_type:				GOOD;