Correzione allo script di build.

build.py

@@ -4,7 +4,7 @@ import urllib.request
 from lxml import etree
 import tempfile, os, sys, subprocess, shutil
 
-class Build():
+class Build(object):
     LANGSTD = [ 'ar', 'de', 'en-GB', 'es', 'fr', 'it', 'ja', 'ko', 'pt', 'pt-BR', 'ru', 'zh-CN', 'zh-TW' ]
 
     def __init__(self, query, arch, url):
@@ -61,7 +61,7 @@ class Build():
 
         # Let's process standard languages and append results to the
         # buildtarball
-        for lang in LANGSTD:
+        for lang in Build.LANGSTD:
             buildtarballs.extend([ x for x in self.__tarballs__ if ('langpack_' + lang) in x ])
             # If it was a build with offline help, another extend would have
             # solved it: