awestruct/awestruct — pull request #316 by Mogztter (2013-07-06 19:13:40+00:00)
Title: Shellwords.escape() add \ after pngcrush\ binary

Use `Shellwords.escape()` only on the dynamic parameter `#{filename}` to avoid file not found on `pngcrush\`

Environment :
Ubuntu 12.04.2 LTS
Awestruct 0.5.2