Switch to standard integer types in crypto/.

BUG=138542
TBR=rsleevi@chromium.org
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1539353003

Cr-Commit-Position: refs/heads/master@{#366460}

diff --git a/crypto/nss_util_internal.h b/crypto/nss_util_internal.h
index 17d61878..0982a6e8 100644
--- a/crypto/nss_util_internal.h
+++ b/crypto/nss_util_internal.h

@@ -9,6 +9,7 @@
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
+#include "base/macros.h"
 #include "crypto/crypto_export.h"
 #include "crypto/scoped_nss_types.h"