[vala/0.38] Regenerate GIR-based bindings

[Rico Tzschichholz <ricotz src gnome org>]

commit 6ac3519afd5f7561c8ed026a1a0e96c8f60986eb
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Dec 11 09:11:20 2017 +0100

    Regenerate GIR-based bindings

 vapi/gdk-3.0.vapi  |    2 +-
 vapi/gtk+-4.0.vapi |    8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/vapi/gdk-3.0.vapi b/vapi/gdk-3.0.vapi
index 6e81d7c..7a45a6a 100644
--- a/vapi/gdk-3.0.vapi
+++ b/vapi/gdk-3.0.vapi
@@ -5389,7 +5389,7 @@ namespace Gdk {
                [Version (since = "3.16")]
                public bool get_forward_compatible ();
                [Version (since = "3.16")]
-               public void get_required_version (out int? major, out int? minor);
+               public void get_required_version (out int major, out int minor);
                [Version (since = "3.16")]
                public unowned Gdk.GLContext? get_shared_context ();
                [Version (since = "3.22")]
diff --git a/vapi/gtk+-4.0.vapi b/vapi/gtk+-4.0.vapi
index 19ed85d..d1e77cf 100644
--- a/vapi/gtk+-4.0.vapi
+++ b/vapi/gtk+-4.0.vapi
@@ -5407,7 +5407,7 @@ namespace Gdk {
                [Version (since = "3.16")]
                public bool get_forward_compatible ();
                [Version (since = "3.16")]
-               public void get_required_version (out int? major, out int? minor);
+               public void get_required_version (out int major, out int minor);
                [Version (since = "3.16")]
                public unowned Gdk.GLContext? get_shared_context ();
                [Version (since = "3.22")]
@@ -9468,7 +9468,7 @@ namespace Gtk {
                [Version (since = "3.14")]
                public unowned Gdk.EventSequence? get_last_updated_sequence ();
                [Version (since = "3.14")]
-               public bool get_point (Gdk.EventSequence? sequence, out double? x = null, out double? y = 
null);
+               public bool get_point (Gdk.EventSequence? sequence, out double x = null, out double y = null);
                [Version (since = "3.14")]
                public Gtk.EventSequenceState get_sequence_state (Gdk.EventSequence sequence);
                [Version (since = "3.14")]
@@ -9509,9 +9509,9 @@ namespace Gtk {
                [Version (since = "3.14")]
                public GestureDrag (Gtk.Widget widget);
                [Version (since = "3.14")]
-               public bool get_offset (out double? x, out double? y);
+               public bool get_offset (out double x, out double y);
                [Version (since = "3.14")]
-               public bool get_start_point (out double? x, out double? y);
+               public bool get_start_point (out double x, out double y);
                [Version (since = "3.14")]
                public signal void drag_begin (double start_x, double start_y);
                [Version (since = "3.14")]