tag_pool: use GLib instead of utils.h

src/tag_pool.c

@@ -17,7 +17,6 @@
  */
 
 #include "tag_pool.h"
-#include "utils.h"
 
 #include <assert.h>
 
@@ -71,7 +70,7 @@ static struct slot *slot_alloc(struct slot *next,
 {
 	struct slot *slot;
 
-	slot = xmalloc(sizeof(*slot) - sizeof(slot->item.value) + length + 1);
+	slot = g_malloc(sizeof(*slot) - sizeof(slot->item.value) + length + 1);
 	slot->next = next;
 	slot->ref = 1;
 	slot->item.type = type;
@@ -154,5 +153,5 @@ void tag_pool_put_item(struct tag_item *item)
 	}
 
 	*slot_p = slot->next;
-	free(slot);
+	g_free(slot);
 }