[mutter/wip/carlosg/issue-598: 4/4] x11: Do not warn on cancelled X11 selection sources

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 9e82f9af25cf1ca9f2f082279a59af0b556562b5
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon May 13 12:44:30 2019 +0200

    x11: Do not warn on cancelled X11 selection sources
    
    This shouldn't happen frequently, but is just a sign that the source is
    being replaced by something else. Just keep the warning for other possible
    error situations.
    
    Also, plug the potential GError leak.
    
    Closes: https://gitlab.gnome.org/GNOME/mutter/issues/598

 src/x11/meta-x11-selection.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/x11/meta-x11-selection.c b/src/x11/meta-x11-selection.c
index 5b87c424c..882b43297 100644
--- a/src/x11/meta-x11-selection.c
+++ b/src/x11/meta-x11-selection.c
@@ -249,7 +249,7 @@ source_new_cb (GObject      *object,
   MetaSelection *selection = data->selection;
   MetaSelectionType selection_type = data->selection_type;
   MetaX11Display *x11_display = data->x11_display;
-  GError *error = NULL;
+  g_autoptr (GError) error = NULL;
 
   source = meta_selection_source_x11_new_finish (res, &error);
   if (source)
@@ -257,7 +257,7 @@ source_new_cb (GObject      *object,
       meta_selection_set_owner (selection, selection_type, source);
       g_set_object (&x11_display->selection.owners[selection_type], source);
     }
-  else
+  else if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
     {
       g_warning ("Could not create selection source for X11: %s",
                  error->message);