[gtkmm] Gtk::TextView::get_tabs(): Plug a memory leak

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 4afbad5520b44b6f90960398bc8206b7f618ae93
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Sun Sep 11 16:57:54 2022 +0200

    Gtk::TextView::get_tabs(): Plug a memory leak
    
    gtk_text_view_get_tabs() returns a copy (transfer full).

 gtk/src/textview.hg | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gtk/src/textview.hg b/gtk/src/textview.hg
index 05bdef6c..674e0dd6 100644
--- a/gtk/src/textview.hg
+++ b/gtk/src/textview.hg
@@ -194,6 +194,8 @@ public:
   _WRAP_METHOD(int get_bottom_margin() const, gtk_text_view_get_bottom_margin, newin "3,20")
   _WRAP_METHOD(void set_indent(int indent), gtk_text_view_set_indent)
   _WRAP_METHOD(int get_indent() const, gtk_text_view_get_indent)
+
+#m4 _CONVERSION(`PangoTabArray*',`Pango::TabArray',`Pango::TabArray(($3), false)')
   _WRAP_METHOD(void set_tabs(Pango::TabArray& tabs), gtk_text_view_set_tabs)
   _WRAP_METHOD(Pango::TabArray get_tabs() const, gtk_text_view_get_tabs)