image.h:60: error: expected specifier-qualifier-list before 'off_t'

--- src/lib/image.h.orig
+++ src/lib/image.h
@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
+#include <sys/types.h>
 
 #include "types.h"