Added Windows port (see #233)
diff --git a/py/asmx64.c b/py/asmx64.c
index d315817..de34332 100644
--- a/py/asmx64.c
+++ b/py/asmx64.c
@@ -1,3 +1,4 @@
+#include <stdint.h>
 #include <stdio.h>
 #include <assert.h>
 #include <string.h>