siphash.h: include stdint.

Doing this gives us a valid uint64_t type, freeing us from
dependencies on include order.

diff --git a/src/ext/siphash.h b/src/ext/siphash.h
index 730e49937d0f78e08345687d445f181e4fb2db03..0207a959ff30f748f2f0b5d56f86266c5003732e 100644 (file)
--- a/src/ext/siphash.h
+++ b/src/ext/siphash.h
@@ -1,6 +1,8 @@
 #ifndef SIPHASH_H
 #define SIPHASH_H
 
+#include <stdint.h>
+
 struct sipkey {
   uint64_t k0;
   uint64_t k1;