[gtk/wip/otte/clipboard: 13180/13183] x11: Don't consume too many references

[Benjamin Otte <otte src gnome org>]

commit 5da179e4e4994ed5f4e5bb3253d890852b838148
Author: Benjamin Otte <otte redhat com>
Date:   Thu Sep 17 17:37:18 2020 +0200

    x11: Don't consume too many references
    
    close_async() would consume a reference via invoke_close(), so take a
    reference before calling it.

 gdk/x11/gdkselectionoutputstream-x11.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gdk/x11/gdkselectionoutputstream-x11.c b/gdk/x11/gdkselectionoutputstream-x11.c
index d052982c59..43391934a9 100644
--- a/gdk/x11/gdkselectionoutputstream-x11.c
+++ b/gdk/x11/gdkselectionoutputstream-x11.c
@@ -556,7 +556,7 @@ gdk_x11_selection_output_stream_close_async (GOutputStream       *stream,
   g_task_set_source_tag (task, gdk_x11_selection_output_stream_close_async);
   g_task_set_priority (task, io_priority);
 
-  gdk_x11_selection_output_stream_invoke_close (stream);
+  gdk_x11_selection_output_stream_invoke_close (g_object_ref (stream));
   g_task_return_boolean (task, TRUE);
 
   g_object_unref (task);