Rollup merge of #153333 - gautam899:main, r=Mark-Simulacrum Fix bootstrap rust build failure for vxworks Fixes rust-lang/rust#153332 Starting with VxWorks 25.09, struct stat was updated to use struct timespec instead of time_t for timestamp fields. The following changes were made in libc in the commit [libc](https://github.com/rust-lang/libc/pull/4781). As a result, when performing a bootstrap build with VxWorks ≥ 25.09, libc no longer exposes the fields st_mtime, st_atime, and st_ctime, as they are conditionally compiled in src/vxworks/mod.rs here [libc](https://github.com/rust-lang/libc/blob/56caa81b6b433c49c5704bf0400a02d428cfacda/src/vxworks/mod.rs#L229). This causes the build to fail. For VxWorks versions earlier than 25.09, the build completes successfully without errors. This PR resolves the issue by detecting the WIND_RELEASE_ID environment variable (which is set in the VxWorks build environment) and conditionally guarding the affected functions in the two additional files where the errors originate.
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