kartitems_t: add ENDOFPOWERUPS and NUMPOWERUPS

src/d_player.h

@@ -189,6 +189,8 @@ typedef enum
 	POWERUP_BUMPER,
 	POWERUP_BADGE,
 	POWERUP_SUPERFLICKY,
+	ENDOFPOWERUPS,
+	NUMPOWERUPS = ENDOFPOWERUPS - FIRSTPOWERUP,
 } kartitems_t;
 
 typedef enum

src/deh_tables.c

@@ -6884,6 +6884,8 @@ struct int_const_s const INT_CONST[] = {
 	{"POWERUP_BUMPER",POWERUP_BUMPER},
 	{"POWERUP_BADGE",POWERUP_BADGE},
 	{"POWERUP_SUPERFLICKY",POWERUP_SUPERFLICKY},
+	{"ENDOFPOWERUPS",ENDOFPOWERUPS},
+	{"NUMPOWERUPS",NUMPOWERUPS},
 
 	// kartshields_t
 	{"KSHIELD_NONE",KSHIELD_NONE},