sanemat/homebrew-font — pull request #14 by yewton (2014-06-14 04:40:04+00:00)
Title: join powerlin_args

fix problem shown below:

```
==> fontforge -lang=py -script /private/tmp/ricty-1xeZ/Ricty-3.2.3/scripts/powerline-fontpatcher [] Ricty-Bold.ttf
Executable based on sources from 14:57 GMT 31-Jul-2012-D.
Library based on sources from 14:57 GMT 31-Jul-2012.
usage: powerline-fontpatcher [-h] [--no-rename] [--source-font font]
font [font ...]
powerline-fontpatcher: error: argument font: can't open '[]': [Errno 2] No such file or directory: '[]'
```