updat code

include/hashtable.h

@@ -9,7 +9,6 @@
 
 #include "list.h"
 #include "hash.h"
-#include "bitmap.h"
 
 #ifndef __same_type
 # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
@@ -149,5 +148,4 @@ static inline void hash_del(struct hlist_node *node)
 	hlist_for_each_entry_safe(obj, tmp,\
 		&name[hash_min(key, HASH_BITS(name))], member)
 
-
 #endif