[vala/0.50] gee: Replace Memory.dup() with GLib.malloc() and Memory.copy()

[Rico Tzschichholz <ricotz src gnome org>]

commit ec577ffc25876140a2bed29f07d013df4ec69bf2
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Feb 5 16:14:45 2021 +0100

    gee: Replace Memory.dup() with GLib.malloc() and Memory.copy()

 gee/timsort.vala | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/gee/timsort.vala b/gee/timsort.vala
index 2db14fd3e..3cf49c5fb 100644
--- a/gee/timsort.vala
+++ b/gee/timsort.vala
@@ -655,7 +655,9 @@ internal class Vala.TimSort<G> {
                }
 
                public void copy () {
-                       new_list = Memory.dup (&list[index], (uint) sizeof (G) * length);
+                       size_t size = sizeof (G) * length;
+                       new_list = malloc (size);
+                       Memory.copy (new_list, &list[index], size);
                        list = new_list;
                        index = 0;
                }