symfony/symfony — pull request #7821 by romainneutron (2013-04-23 20:56:10+00:00)
Title: [Process] Fix two process-builder minor bugs

| Q | A
| ------------- | ---
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| License | MIT

Everything is in the commit messages :

- Use new ProcessUtils::escapeArgument to escape ProcessBuillder prefix
- Do not throw LogicException in ProcessBuilder::getProcess if no arguments are set but a prefix is