[flang-commits] [flang] [flang] Disable test on Windows (PR #94396)

[David Spickett via flang-commits]

DavidSpickett wrote:

>From the CI:
```
Unexpectedly Passed Tests (1):
  Flang :: Semantics/call40.f90
```

If this test sometimes passes sometimes doesn't, it'll have to be marked unsupported instead.

https://github.com/llvm/llvm-project/pull/94396