Fix absolute urls.

Author: ericholscher

readthedocs/builds/models.py

@@ -24,6 +24,7 @@ def get_absolute_url(self):
             return ''
         return reverse('docs_detail', kwargs={
             'project_slug': self.project.slug,
+            'lang_slug': 'en',
             'version_slug': self.slug,
             'filename': ''
         })

readthedocs/projects/models.py

@@ -85,6 +85,7 @@ def get_docs_url(self, version_slug=None):
         version = version_slug or self.get_default_version()
         return reverse('docs_detail', kwargs={
             'project_slug': self.slug,
+            'lang_slug': 'en',
             'version_slug': version,
             'filename': '',
         })