fix GCC 15 build by including <cstdint>

[gouzil]

Summary

本 PR 修复 GCC 15 下的构建问题，在 gloo/types.h 中补充直接依赖的 <cstdint> 头文件。

Changes

• 在 gloo/types.h 中添加 #include <cstdint>。

background

gloo/types.h 使用了固定宽度整数类型，但此前没有直接包含 <cstdint>。GCC 15 下该依赖不再能稳定通过其他头文件间接获得，因此会暴露缺失头文件导致的编译失败。

相关链接：

• https://gcc.gnu.org/cgit/gcc/commit/?id=3a817a4a5a6d94da9127af3be9f84a74e3076ee2
• https://gcc.gnu.org/pipermail/gcc-cvs/2024-August/407124.html
• gloo/types.h: include cstdint #452

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[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Updates Gloo headers to add missing standard library includes needed by recent changes and to normalize TCP transport device includes.

Changes:

• Add <cstdint> include to gloo/types.h.
• Add <array> include to gloo/transport/tcp/device.cc.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
gloo/types.h	Adds <cstdint> to support fixed-width integer types usage in the header.
gloo/transport/tcp/device.cc	Adds <array> include to support std::array usage in TCP device implementation.

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