Description: Fixes build.
Author: Gabriele Giacone <1o5g4r8o@gmail.com>

--- a/src/io/internal/file.c
+++ b/src/io/internal/file.c
@@ -1,6 +1,7 @@
 #include "checks.h"
 #include "common.h"
 #include "file.h"
+#include "errno.h"
 
 #ifdef USE_XATTR
 #include <attr/xattr.h>