[mutter] clutter: Fix input device node path leak

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

commit 09af21cd0bfaaaaba37ede47db95b82ae6a42888
Author: Sebastian Keller <skeller gnome org>
Date:   Thu Jan 30 22:21:53 2020 +0100

    clutter: Fix input device node path leak
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/1030

 clutter/clutter/clutter-input-device.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/clutter/clutter/clutter-input-device.c b/clutter/clutter/clutter-input-device.c
index ff498b66c..e7b5bff96 100644
--- a/clutter/clutter/clutter-input-device.c
+++ b/clutter/clutter/clutter-input-device.c
@@ -96,6 +96,7 @@ clutter_input_device_dispose (GObject *gobject)
   g_clear_pointer (&device->device_name, g_free);
   g_clear_pointer (&device->vendor_id, g_free);
   g_clear_pointer (&device->product_id, g_free);
+  g_clear_pointer (&device->node_path, g_free);
 
   if (device->associated != NULL)
     {