minor symfony#14762 InvalidResourceException file name (DancZer)

This PR was submitted for the 2.7 branch but it was merged into the 2.3 branch instead (closes symfony#14762).

Discussion
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InvalidResourceException file name

Added filen ame to the InvalidResourceException,

Commits
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2e04e23 InvalidResourceException file name

Author: fabpot

src/Symfony/Component/Translation/Loader/XliffFileLoader.php

@@ -114,7 +114,7 @@ private function parseFile($file)
         $source = str_replace('http://www.w3.org/2001/xml.xsd', $location, $source);
 
         if (!@$dom->schemaValidateSource($source)) {
-            throw new InvalidResourceException(implode("\n", $this->getXmlErrors($internalErrors)));
+            throw new InvalidResourceException(sprintf('Invalid resource provided: "%s"; Errors: %s', $file, implode("\n", $this->getXmlErrors($internalErrors))));
         }
 
         $dom->normalizeDocument();