[vala/0.54] pango: Cherry-pick bindings fixes from 0.56

[Rico Tzschichholz <ricotz src gnome org>]

commit 110216bd9563dd2307c45cc0bdff809b24bb1a1c
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Nov 29 11:28:06 2021 +0100

    pango: Cherry-pick bindings fixes from 0.56

 vapi/pango.vapi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/vapi/pango.vapi b/vapi/pango.vapi
index 800679405..30807fab6 100644
--- a/vapi/pango.vapi
+++ b/vapi/pango.vapi
@@ -244,8 +244,9 @@ namespace Pango {
                [Version (since = "1.10")]
                public virtual unowned Pango.FontMap? get_font_map ();
                public virtual void get_glyph_extents (Pango.Glyph glyph, out Pango.Rectangle ink_rect, out 
Pango.Rectangle logical_rect);
+               [CCode (array_length = false, array_null_terminated = true)]
                [Version (since = "1.50")]
-               public unowned Pango.Language? get_languages ();
+               public unowned Pango.Language[]? get_languages ();
                public virtual Pango.FontMetrics get_metrics (Pango.Language? language);
                [Version (since = "1.44")]
                public bool has_char (unichar wc);
@@ -373,7 +374,7 @@ namespace Pango {
        public class FontsetSimple : Pango.Fontset {
                [CCode (has_construct_function = false)]
                public FontsetSimple (Pango.Language language);
-               public void append (Pango.Font font);
+               public void append (owned Pango.Font font);
                public int size ();
        }
        [CCode (cheader_filename = "pango/pango.h", copy_function = "g_boxed_copy", free_function = 
"g_boxed_free", type_id = "pango_glyph_item_get_type ()")]