https://bugs.gentoo.org/937420
https://aomedia.issues.chromium.org/issues/357622679
https://aomedia-review.googlesource.com/c/aom/+/192404

From b20dcf3adf51919226b436151734ba38d1123850 Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Tue, 06 Aug 2024 10:38:00 -0700
Subject: [PATCH] update libwebm to libwebm-1.0.0.31-10-g3b63004

This fixes a build error seen in gcc 15:
3b63004 mkvparser/mkvparser.cc: add missing <cstdint> include

Bug: aomedia:357622679
Change-Id: I6c4a1795d189f9993d4f2c5c9f0375912bc58f0c
(cherry picked from commit e448dcd13a9f534c7291903e9ab18dfc4fea54ad)
--- a/third_party/libwebm/mkvmuxer/mkvmuxerutil.h
+++ b/third_party/libwebm/mkvmuxer/mkvmuxerutil.h
@@ -8,9 +8,9 @@
 #ifndef MKVMUXER_MKVMUXERUTIL_H_
 #define MKVMUXER_MKVMUXERUTIL_H_
 
-#include "mkvmuxertypes.h"
+#include <stdint.h>
 
-#include "stdint.h"
+#include "mkvmuxertypes.h"
 
 namespace mkvmuxer {
 class Cluster;
--- a/third_party/libwebm/mkvparser/mkvparser.cc
+++ b/third_party/libwebm/mkvparser/mkvparser.cc
@@ -16,6 +16,7 @@
 #include <cfloat>
 #include <climits>
 #include <cmath>
+#include <cstdint>
 #include <cstring>
 #include <memory>
 #include <new>