owncloud/core — pull request #12945 by bantu (2014-12-18 19:58:34+00:00)
Title: HHVM: Do not call filesize(null), this function expects a string.

This fixes
```
1) Test_Image::testGetMimeTypeForFile
Filename cannot be empty
```
test failure on HHVM.

This is a call mistake regardless of HHVM, as the function only accepts strings.

@LukasReschke @DeepDiver1975 @nickvergessen