Support up to 16 joystick axes, select which to use with j_*_axis cvars.

code/qcommon/qcommon.h

@@ -1059,15 +1059,7 @@ NON-PORTABLE SYSTEM SERVICES
 ==============================================================
 */
 
-typedef enum {
-	AXIS_SIDE,
-	AXIS_FORWARD,
-	AXIS_UP,
-	AXIS_ROLL,
-	AXIS_YAW,
-	AXIS_PITCH,
-	MAX_JOYSTICK_AXIS
-} joystickAxis_t;
+#define MAX_JOYSTICK_AXIS 16
 
 void	Sys_Init (void);