Change cvar flags from macros to enum

Quake/cvar.h

@@ -63,18 +63,21 @@ interface from being ambiguous.
 
 */
 
-#define	CVAR_NONE		0
-#define	CVAR_ARCHIVE		(1U << 0)	// if set, causes it to be saved to config
-#define	CVAR_NOTIFY		(1U << 1)	// changes will be broadcasted to all players (q1)
-#define	CVAR_SERVERINFO		(1U << 2)	// added to serverinfo will be sent to clients (q1/net_dgrm.c and qwsv)
-#define	CVAR_USERINFO		(1U << 3)	// added to userinfo, will be sent to server (qwcl)
-#define	CVAR_CHANGED		(1U << 4)
-#define	CVAR_ROM		(1U << 6)
-#define	CVAR_LOCKED		(1U << 8)	// locked temporarily
-#define	CVAR_REGISTERED		(1U << 10)	// the var is added to the list of variables
-#define	CVAR_CALLBACK		(1U << 16)	// var has a callback
-#define CVAR_USERDEFINED	(1U << 17)	// cvar was created by the user/mod, and needs to be saved a bit differently.
-#define CVAR_AUTOCVAR		(1U << 18)	// cvar changes need to feed back to qc global changes.
+typedef enum
+{
+	CVAR_NONE			= 0,
+	CVAR_ARCHIVE		= (1U << 0),	// if set, causes it to be saved to config
+	CVAR_NOTIFY			= (1U << 1),	// changes will be broadcasted to all players (q1)
+	CVAR_SERVERINFO		= (1U << 2),	// added to serverinfo will be sent to clients (q1/net_dgrm.c and qwsv)
+	CVAR_USERINFO		= (1U << 3),	// added to userinfo, will be sent to server (qwcl)
+	CVAR_CHANGED		= (1U << 4),
+	CVAR_ROM			= (1U << 6),
+	CVAR_LOCKED			= (1U << 8),	// locked temporarily
+	CVAR_REGISTERED		= (1U << 10),	// the var is added to the list of variables
+	CVAR_CALLBACK		= (1U << 16),	// var has a callback
+	CVAR_USERDEFINED	= (1U << 17),	// cvar was created by the user/mod, and needs to be saved a bit differently.
+	CVAR_AUTOCVAR		= (1U << 18),	// cvar changes need to feed back to qc global changes.
+} cvarflags_t;
 
 
 typedef void (*cvarcallback_t) (struct cvar_s *);
@@ -84,7 +87,7 @@ typedef struct cvar_s
 {
 	const char	*name;
 	const char	*string;
-	unsigned int	flags;
+	cvarflags_t	flags;
 	float		value;
 	const char	*default_string; //johnfitz -- remember defaults for reset function
 	cvarcallback_t	callback;