[libc-commits] [libc] [libc] add missing headers in stdfix (PR #162078)

[Shreeyash Pandey via libc-commits]

bojle wrote:

@PiJoules Yes, that is the problem. I am unable to figure why its failing as everything runs on my local machine (ninja check-libc succeeds). Is this related to actions? or am i missing something?

```
~/dev/llvm-project/build (metal) [stdfixfix] >> ninja libc.test.src.stdfix.bitsuhr_test.__unit__
[4/4] Running unit test libc.test.src.stdfix.bitsuhr_test.__unit__
[==========] Running 1 test from 1 test suite.
[ RUN      ] LlvmLibcBitsuhrTest.SpecialNumbers
[       OK ] LlvmLibcBitsuhrTest.SpecialNumbers (1 us)
Ran 1 tests.  PASS: 1  FAIL: 0
```

https://github.com/llvm/llvm-project/pull/162078