BUGFIX: Avoid error in Debugger::findProxyAndShortFilePath()
BUGFIX: Avoid error in Debugger::findProxyAndShortFilePath()

If `$file` points to eval'd code, the `@file(…)` code does not return
an array, leading to `count()` being called on an incompatible value.
fcool/flow-development-collection,daniellienert/flow-development-collection,albe/flow-development-collection,robertlemke/flow-development-collection,dlubitz/flow-development-collection,bwaidelich/flow-development-collection,kdambekalns/flow-development-collection,robertlemke/flow-development-collection,daniellienert/flow-development-collection,fcool/flow-development-collection,dlubitz/flow-development-collection,daniellienert/flow-development-collection,neos/flow-development-collection,fcool/flow-development-collection,kdambekalns/flow-development-collection,fcool/flow-development-collection,neos/flow-development-collection,albe/flow-development-collection,bwaidelich/flow-development-collection,kdambekalns/flow-development-collection,robertlemke/flow-development-collection,bwaidelich/flow-development-collection,robertlemke/flow-development-collection,dlubitz/flow-development-collection,albe/flow-development-collection,kdambekalns/flow-development-collection,neos/flow-development-collection,neos/flow-development-collection