Merge branch 'rb/hashmap-h-compilation-fix' into maint

Code clean-up.

* rb/hashmap-h-compilation-fix:
  hashmap.h: remove unused variable

Author: gitster

hashmap.h

@@ -400,15 +400,14 @@ static inline void hashmap_disable_item_counting(struct hashmap *map)
  */
 static inline void hashmap_enable_item_counting(struct hashmap *map)
 {
-	void *item;
 	unsigned int n = 0;
 	struct hashmap_iter iter;
 
 	if (map->do_count_items)
 		return;
 
 	hashmap_iter_init(map, &iter);
-	while ((item = hashmap_iter_next(&iter)))
+	while (hashmap_iter_next(&iter))
 		n++;
 
 	map->do_count_items = 1;