diff -ruN ../fetchmail-5.3.0.OLD/md5.h ./md5.h
--- ../fetchmail-5.3.0.OLD/md5.h	Sun Dec 19 15:18:14 1999
+++ ./md5.h	Wed Feb 23 23:46:56 2000
@@ -1,4 +1,5 @@
 #ifndef _MD5_H_
 #define _MD5_H_
+#include <sys/types.h>
 #include <sys/md5.h>
 #endif /* _MD5_H_ */