File fix-gcc15.patch of Package panzerchasm

https://github.com/Panzerschrek/Chasm-Reverse/pull/69

From 51ffe9f4a0e75929fb84e7d31ce0814ca1e1219d Mon Sep 17 00:00:00 2001
From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
Date: Mon, 8 Dec 2025 03:34:50 +0100
Subject: [PATCH] Include cstdint

to make it compile on openSUSE Tumbleweed's gcc15

Without this, it did not find definitions for uint32_t etc
---
 src/net/net.hpp           | 1 +
 src/rendering_context.hpp | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/net/net.hpp b/src/net/net.hpp
index 50e40c44..36477c0f 100644
--- a/src/net/net.hpp
+++ b/src/net/net.hpp
@@ -1,4 +1,5 @@
 #pragma once
+#include <cstdint>
 #include "../fwd.hpp"
 
 namespace PanzerChasm
diff --git a/src/rendering_context.hpp b/src/rendering_context.hpp
index f238d91f..c27cc6e9 100644
--- a/src/rendering_context.hpp
+++ b/src/rendering_context.hpp
@@ -1,4 +1,5 @@
 #pragma once
+#include <cstdint>
 #include <memory>
 
 #include <shaders_loading.hpp>