Araq/Nimrod — pull request #1101 by gradha (2014-04-16 20:56:50+00:00)
Title: Adds missing import.

Without the import the following file:
```nimrod
import httpclient
```
fails to compile:
```
lib/pure/httpclient.nim(291, 25) Error: undeclared identifier: 'osError'
```