WangWeiLin-MV 9f22b3df4c
[libxcrypt] Add build requirements (#38376)
Fix #38372

Add message of build requirements `autoconf` `automake` `libtool`
`pkg-config` from [upstream
README](https://github.com/besser82/libxcrypt?tab=readme-ov-file#build-requirements-and-instructions)

### Checklist
- [x] Changes comply with the [maintainer
guide](https://github.com/microsoft/vcpkg-docs/blob/main/vcpkg/contributing/maintainer-guide.md).
- [ ] ~SHA512s are updated for each updated download.~
- [ ] ~The "supports" clause reflects platforms that may be fixed by
this new version.~
- [ ] ~Any fixed [CI
baseline](https://github.com/microsoft/vcpkg/blob/master/scripts/ci.baseline.txt)
entries are removed from that file.~
- [ ] ~Any patches that are no longer applied are deleted from the
port's directory.~
- [x] The version database is fixed by rerunning `./vcpkg x-add-version
--all` and committing the result.
- [x] Only one version is added to each modified port's versions file.

### Test
Port install tests pass with following triplets:
* x64-linux
2024-04-30 11:25:23 -07:00
..