[vala] vapi: Update GIR-based bindings

[Rico Tzschichholz <ricotz src gnome org>]

commit 80f005b12fd305dc9fed4eae29f713b993586950
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Mar 21 19:21:32 2016 +0100

    vapi: Update GIR-based bindings

 vapi/gdk-3.0.vapi       |    1 +
 vapi/gstreamer-1.0.vapi |    4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/vapi/gdk-3.0.vapi b/vapi/gdk-3.0.vapi
index f8b1c33..26725d4 100644
--- a/vapi/gdk-3.0.vapi
+++ b/vapi/gdk-3.0.vapi
@@ -4861,6 +4861,7 @@ namespace Gdk {
                public Gdk.DragAction get_suggested_action ();
                [Version (since = "2.22")]
                public unowned GLib.List<Gdk.Atom> list_targets ();
+               [Version (since = "3.20")]
                public bool manage_dnd (Gdk.Window ipc_window, Gdk.DragAction actions);
                public void set_device (Gdk.Device device);
                [Version (since = "3.20")]
diff --git a/vapi/gstreamer-1.0.vapi b/vapi/gstreamer-1.0.vapi
index e299ee9..a10aad5 100644
--- a/vapi/gstreamer-1.0.vapi
+++ b/vapi/gstreamer-1.0.vapi
@@ -1211,7 +1211,7 @@ namespace Gst {
                public virtual bool post_message (owned Gst.Message message);
                public virtual Gst.Clock? provide_clock ();
                public virtual bool query (Gst.Query query);
-               public bool query_convert (ref Gst.Format src_format, int64 src_val, Gst.Format dest_format, 
out int64 dest_val);
+               public bool query_convert (Gst.Format src_format, int64 src_val, Gst.Format dest_format, out 
int64 dest_val);
                public bool query_duration (Gst.Format format, out int64 duration);
                public bool query_position (Gst.Format format, out int64 cur);
                public static bool register (Gst.Plugin? plugin, string name, uint rank, GLib.Type type);
@@ -1663,7 +1663,7 @@ namespace Gst {
                [CCode (has_construct_function = false, returns_floating_reference = true)]
                public Pad.from_template (Gst.PadTemplate templ, string? name);
                public Gst.Caps? get_allowed_caps ();
-               public Gst.Caps get_current_caps ();
+               public Gst.Caps? get_current_caps ();
                public Gst.PadDirection get_direction ();
                public void* get_element_private ();
                [Version (since = "1.4")]