Removed unnecessary #include in kart.hpp.

src/karts/kart.cpp

@@ -60,6 +60,7 @@
 #include "physics/btKartRaycast.hpp"
 #include "physics/physics.hpp"
 #include "race/history.hpp"
+#include "tracks/terrain_info.hpp"
 #include "tracks/track.hpp"
 #include "tracks/track_manager.hpp"
 #include "utils/constants.hpp"

src/karts/kart.hpp

@@ -32,7 +32,6 @@
 #include "karts/abstract_kart.hpp"
 #include "karts/kart_properties.hpp"
 #include "karts/player_difficulty.hpp"
-#include "tracks/terrain_info.hpp"
 #include "utils/no_copy.hpp"
 
 class btKart;
@@ -52,6 +51,7 @@ class Skidding;
 class SkidMarks;
 class SlipStream;
 class Stars;
+class TerrainInfo;
 
 /** The main kart class. All type of karts are of this object, but with
  *  different controllers. The controllers are what turn a kart into a

src/physics/btKart.cpp

@@ -25,6 +25,7 @@
 #include "karts/kart.hpp"
 #include "modes/world.hpp"
 #include "physics/triangle_mesh.hpp"
+#include "tracks/terrain_info.hpp"
 #include "tracks/track.hpp"
 
 #define ROLLING_INFLUENCE_FIX