--- a/src/uni-utils.c 2018-11-19 13:22:27.611236686 +0100
+++ b/src/uni-utils.c 2018-11-19 13:29:36.577474931 +0100
@@ -21,6 +21,7 @@
*/
#include "uni-utils.h"
+#include <stdlib.h>
/**
* uni_pixbuf_scale_blend: