util: move ptr_wrapper_t to util

1 files changed, 1 insertions, 0 deletions

diff --git a/src/list.c b/src/list.c
index eb53ad8..69b3208 100644
--- a/src/list.c
+++ b/src/list.c
@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <util.h>
 
 list_t *
 list_create(size_t element_size)