[gtk+] wayland: Fix an endless loop

[Rui Matos <rtcm src gnome org>]

commit 303556ac2a9320d85a11cd8fa18d5dd00455e78c
Author: Rui Matos <tiagomatos gmail com>
Date:   Fri Jan 15 18:35:25 2016 +0100

    wayland: Fix an endless loop

 gdk/wayland/gdkdevice-wayland.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/gdk/wayland/gdkdevice-wayland.c b/gdk/wayland/gdkdevice-wayland.c
index f0836cd..a4edcbf 100644
--- a/gdk/wayland/gdkdevice-wayland.c
+++ b/gdk/wayland/gdkdevice-wayland.c
@@ -2674,11 +2674,11 @@ _gdk_wayland_device_manager_remove_seat (GdkDeviceManager *manager,
                                          guint32           id)
 {
   GdkDisplay *display = gdk_device_manager_get_display (manager);
-  GList *l;
+  GList *l, *seats;
 
-  l = gdk_display_list_seats (display);
+  seats = gdk_display_list_seats (display);
 
-  while (l)
+  for (l = seats; l != NULL; l = l->next)
     {
       GdkWaylandSeat *seat = l->data;
 
@@ -2688,6 +2688,8 @@ _gdk_wayland_device_manager_remove_seat (GdkDeviceManager *manager,
       gdk_display_remove_seat (display, GDK_SEAT (seat));
       break;
     }
+
+  g_list_free (seats);
 }
 
 static void