Fix BattleEvaluator.cpp:286:32: error: function 'battleGetAllObstacles' with deduced return type cannot be used before it is defined

lib/battle/CBattleInfoEssentials.h

@@ -52,7 +52,7 @@ public:
 	BattleField battleGetBattlefieldType() const override;
 	int32_t battleGetEnchanterCounter(ui8 side) const;
 
-	auto battleGetAllObstacles(std::optional<BattlePerspective::BattlePerspective> perspective = std::nullopt) const; //returns all obstacles on the battlefield
+	std::vector<std::shared_ptr<const CObstacleInstance>> battleGetAllObstacles(std::optional<BattlePerspective::BattlePerspective> perspective = std::nullopt) const; //returns all obstacles on the battlefield
 
 	std::shared_ptr<const CObstacleInstance> battleGetObstacleByID(uint32_t ID) const;