[libsoup] Created tag 2.51.92

[Dan Winship <danw src gnome org>]

The unsigned tag '2.51.92' was created.

Tagger: Dan Winship <danw gnome org>
Date: Tue Sep 15 10:13:22 2015 -0400

    2.51.92

Changes since the last tag '2.51.90':

Dan Winship (1):
      2.51.92

Jens Georg (1):
      soup-uri.c: Add (allow-none) to soup_uri_normalize

Kalev Lember (6):
      Support g_autoptr() for all libsoup object types
      Post-release version bump
      autocleanups: Fix free functions for non-GObject based types
      autocleanups: Exclude the header from instrospection
      autocleanups: Add a few more missing types
      Require single includes for new headers

Piotr Drąg (1):
      Updated Polish translation