[vala/staging] glib-2.0: Update 2.72 symbols

[Rico Tzschichholz <ricotz src gnome org>]

commit 7ab0a8e9ef472865f189ed1d4af0c486100be74e
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sun Nov 14 20:21:35 2021 +0100

    glib-2.0: Update 2.72 symbols

 vapi/glib-2.0.vapi | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 86bdfa88c..7f714bd90 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -1931,10 +1931,20 @@ namespace GLib {
                public const int LOW;
        }
 
+       [Version (since = "2.72")]
+       [CCode (has_type_id = false)]
+       [Flags]
+       public enum MainContextFlags {
+               NONE,
+               OWNERLESS_POLLING
+       }
+
        [Compact]
        [CCode (ref_function = "g_main_context_ref", unref_function = "g_main_context_unref", type_id = 
"G_TYPE_MAIN_CONTEXT")]
        public class MainContext {
                public MainContext ();
+               [Version (since = "2.72")]
+               public MainContext.with_flags (MainContextFlags flags);
                public static unowned MainContext @default ();
                public bool iteration (bool may_block);
                public bool pending ();