WordPress 3.5 is out. If you are going to build your local version now, keep in mind that GlotPress doesn’t have a 3.5 project yet. You’ll need to build like so, to get your 3.5:
Versões pt_PT ‹ Portugal — WordPress

(i.e. your-repo-tags/3.5, Project Development (trunk), Release 23171, Version 3.5)