diff --git a/cv4/list_ops.c b/cv4/list_ops.c
index 14a56d8..55057b3 100644
--- a/cv4/list_ops.c
+++ b/cv4/list_ops.c
@@ -45,3 +45,4 @@ list_t *reverse_list(list_t *list);
 void delete_list(list_t *list);
 
 #endif
+