diff -ur cryptokit-1.9.old/src/stubs-md5.c cryptokit-1.9/src/stubs-md5.c
--- cryptokit-1.9.old/src/stubs-md5.c	2010-08-30 11:53:00.000000000 +0100
+++ cryptokit-1.9/src/stubs-md5.c	2014-11-03 13:16:54.548572332 +0000
@@ -18,8 +18,8 @@
 #include <caml/alloc.h>
 
 struct MD5Context {
-        uint32 buf[4];
-        uint32 bits[2];
+        uint32_t buf[4];
+        uint32_t bits[2];
         unsigned char in[64];
 };