gtk+-3.0: Update to 3.22.30+21fddc39

diff --git a/vapi/gtk+-3.0.vapi b/vapi/gtk+-3.0.vapi
index 2037f316f556133db46d4f731f1d2f6c60678b9b..2d63d687dc2216b4aaf0db5445c3c47cfca301a5 100644 (file)
--- a/vapi/gtk+-3.0.vapi
+++ b/vapi/gtk+-3.0.vapi
@@ -4767,7 +4767,7 @@ namespace Gtk {
                [Version (deprecated = true, deprecated_since = "3.10")]
                public void set_tearoff_state (bool torn_off);
                [Version (deprecated = true, deprecated_since = "3.10")]
-               public void set_title (string title);
+               public void set_title (string? title);
                [Version (since = "2.14")]
                public Gtk.AccelGroup accel_group { get; set; }
                [Version (since = "2.14")]