Error prone `realpath()` call removed

framework/console/controllers/AssetController.php

@@ -513,7 +513,7 @@ EOD;
         $content = '';
         foreach ($inputFiles as $file) {
             $content .= "/*** BEGIN FILE: $file ***/\n"
-                . $this->adjustCssUrl(file_get_contents($file), dirname(realpath($file)), dirname(realpath($outputFile)))
+                . $this->adjustCssUrl(file_get_contents($file), dirname(realpath($file)), dirname($outputFile))
                 . "/*** END FILE: $file ***/\n";
         }
         if (!file_put_contents($outputFile, $content)) {