grunt/change-version.js:replaceRecursively(): Use accidentally-unused argument

How did the linters miss this?

[skip sauce]
[skip validator]

grunt/change-version.js

@@ -67,7 +67,7 @@ function replaceRecursively(directory, excludedDirectories, allowedExtensions, o
         console.log('EXCLUDED:' + filepath);
       }
     });
-  walkAsync('.', excludedDirectories, updateFile, function (err) {
+  walkAsync(directory, excludedDirectories, updateFile, function (err) {
     console.error('ERROR while traversing directory!:')
     console.error(err);
     process.exit(1);