squizlabs/PHP_CodeSniffer — pull request #58 by aboks (2012-09-27 12:11:28+00:00)
Title: Prevent error by OperatorSpacingSniff when using a negative number as a case label

Without this PR, `Squiz_Whitespace_OperatorSpacingSniff` would complain about
```php
switch ($foo) {
case -1:
// ...
break;
}
```
stating there should be a space after the minus.