removed some empty lines

src/libstrongswan/crypto/ietf_attr_list.h

@@ -68,6 +68,14 @@ void ietfAttr_list_create_from_string(char *msg, linked_list_t *list);
  */
 void ietfAttr_list_create_from_chunk(chunk_t chunk, linked_list_t *list, int level0);
 
+/**
+ * @brief Encode a linked list of ietfAttr_t objects into an ASN.1-coded chunk
+ *
+ * @param list		alphabetically-sorted linked list of attributes
+ * @return			chunk containing ASN.1-coded attributes
+ */
+chunk_t ietfAttr_list_encode(linked_list_t *list);
+
 /**
  * @brief Destroys a linked list of ietfAttr_t objects
  *