Afegides utilitats per a linux

Arreglats alguns includes

source/game.h

@@ -7,24 +7,24 @@
 #include <vector>			 // for vector
 #include "section.h"		 // for options_e
 #include "utils.h"			 // for demoKeys_t, color_t, hiScoreEntry_t
-#include "bullet.h"
-class Asset;
-class Background;
-class Balloon;
-class Bullet;
-class EnemyFormations;
-class Explosions;
-class Fade;
-class Input;
-class Item;
-class Player;
-class Scoreboard;
-class Screen;
-class SmartSprite;
-class Text;
-class Texture;
-struct JA_Music_t;
-struct JA_Sound_t;
+class Asset;				 // lines 11-11
+class Background;			 // lines 12-12
+class Balloon;				 // lines 13-13
+class Bullet;				 // lines 14-14
+class EnemyFormations;		 // lines 15-15
+class Explosions;			 // lines 16-16
+class Fade;					 // lines 17-17
+class Input;				 // lines 18-18
+class Item;					 // lines 19-19
+class Player;				 // lines 20-20
+class Scoreboard;			 // lines 21-21
+class Screen;				 // lines 22-22
+class SmartSprite;			 // lines 23-23
+class Text;					 // lines 24-24
+class Texture;				 // lines 25-25
+enum class BulletType;
+struct JA_Music_t; // lines 26-26
+struct JA_Sound_t; // lines 27-27
 
 #define GAME_MODE_DEMO_OFF false
 #define GAME_MODE_DEMO_ON true