haskell/cabal — pull request #2126 by Heather (2014-09-24 18:56:07+00:00)
Title: System.Win32.DLL import seems redunant

```
Distribution\Client\Win32SelfUpgrade.hs:48:1: Warning:
The qualified import of `System.Win32.DLL' is redundant
except perhaps to import instances from `System.Win32.DLL'
```