Updates sha1 of pdepend .phar file.

Fixes...

```
brew install pdepend
==> Downloading http://static.pdepend.org/php/latest/pdepend.phar
######################################################################## 100,0%
Error: SHA1 mismatch
Expected: d91fb76e03160bbe957078e95cbf88cb47cdf132
Actual: c38629460e031ec46e70d7a8a6abe4443ea9f922
Archive: /Library/Caches/Homebrew/pdepend-1.1.0.phar
(To retry an incomplete download, remove the file above.)
```