[vala/staging] glib-2.0: Add `double_hash` and `double_equal`

[Rico Tzschichholz <ricotz src gnome org>]

commit f759315b1d698a58fd2b199f1b99adf5fb6fa7f1
Author: wszqkzqk <wszqkzqk qq com>
Date:   Sun Sep 25 21:53:21 2022 +0800

    glib-2.0: Add `double_hash` and `double_equal`

 vapi/glib-2.0.vapi | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 88ca6a71f..07acd22d9 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -5620,6 +5620,12 @@ namespace GLib {
        [CCode (cname = "g_direct_hash")]
        public static GLib.HashFunc<void*> direct_hash;
        [CCode (cname = "g_direct_equal")]
+       [Version (since = "2.22")]
+       [CCode (cname = "g_double_hash")]
+       public static GLib.HashFunc<double?> double_hash;
+       [Version (since = "2.22")]
+       [CCode (cname = "g_double_equal")]
+       public static GLib.EqualFunc<double?> double_equal;
        public static GLib.EqualFunc<void*> direct_equal;
        [CCode (cname = "g_int64_hash")]
        public static GLib.HashFunc<int64?> int64_hash;