[vala] vapi: Update GIR-based bindings

[Rico Tzschichholz <ricotz src gnome org>]

commit d5143b83ced07fdc12b739e65ed54fe275914d25
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Mar 18 07:49:46 2016 +0100

    vapi: Update GIR-based bindings

 vapi/libsoup-2.4.vapi |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/vapi/libsoup-2.4.vapi b/vapi/libsoup-2.4.vapi
index b32ba86..5f1d901 100644
--- a/vapi/libsoup-2.4.vapi
+++ b/vapi/libsoup-2.4.vapi
@@ -150,6 +150,8 @@ namespace Soup {
                [CCode (has_construct_function = false)]
                public Auth (GLib.Type type, Soup.Message msg, string auth_header);
                public virtual void authenticate (string username, string password);
+               [Version (since = "2.54")]
+               public virtual bool can_authenticate ();
                public virtual string get_authorization (Soup.Message msg);
                public unowned string get_host ();
                public string get_info ();
@@ -245,6 +247,13 @@ namespace Soup {
                [CCode (has_construct_function = false)]
                protected AuthNTLM ();
        }
+       [CCode (cheader_filename = "libsoup/soup.h", type_id = "soup_auth_negotiate_get_type ()")]
+       public class AuthNegotiate : Soup.Auth {
+               [CCode (has_construct_function = false)]
+               protected AuthNegotiate ();
+               [Version (since = "2.54")]
+               public static bool supported ();
+       }
        [CCode (cheader_filename = "libsoup/soup.h", copy_function = "g_boxed_copy", free_function = 
"g_boxed_free", type_id = "soup_buffer_get_type ()")]
        [Compact]
        public class Buffer {