Bug 1645813 - Re-add qlog to BSD-2-Clause list r=tjr

Looks like this change got lost when the vendor stuff was refactored?

Differential Revision: https://phabricator.services.mozilla.com/D79759

python/mozbuild/mozbuild/vendor/vendor_rust.py

@@ -216,6 +216,7 @@ Please commit or stash these changes before vendoring, or re-run with `--ignore-
             'cloudabi',
             'Inflector',
             'mach',
+            'qlog',
         ],
         'BSD-3-Clause': [
         ]