[vala/staging] gdk-3.0: Update to 3.24.4+a0129f55

[Rico Tzschichholz <ricotz src gnome org>]

commit 6a5f94611cc46fa80314d8da2391d237538f4d9f
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Jan 30 16:47:49 2019 +0100

    gdk-3.0: Update to 3.24.4+a0129f55

 vapi/gdk-3.0.vapi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/vapi/gdk-3.0.vapi b/vapi/gdk-3.0.vapi
index ecbfd9059..6d934716e 100644
--- a/vapi/gdk-3.0.vapi
+++ b/vapi/gdk-3.0.vapi
@@ -5334,7 +5334,7 @@ namespace Gdk {
                [Version (since = "3.8")]
                public void end_updating ();
                [Version (since = "3.8")]
-               public Gdk.FrameTimings? get_current_timings ();
+               public unowned Gdk.FrameTimings? get_current_timings ();
                [Version (since = "3.8")]
                public int64 get_frame_counter ();
                [Version (since = "3.8")]
@@ -5344,7 +5344,7 @@ namespace Gdk {
                [Version (since = "3.8")]
                public void get_refresh_info (int64 base_time, out int64 refresh_interval_return, out int64 
presentation_time_return);
                [Version (since = "3.8")]
-               public Gdk.FrameTimings? get_timings (int64 frame_counter);
+               public unowned Gdk.FrameTimings? get_timings (int64 frame_counter);
                [Version (since = "3.8")]
                public void request_phase (Gdk.FrameClockPhase phase);
                public signal void after_paint ();