[gupnp-tools] universal-cp: Fix critical on subdevice

[Jens Georg <jensgeorg src gnome org>]

commit 82b0bc5ea8bd817e53d3fb66f00b38ca9778df0d
Author: Jens Georg <mail jensge org>
Date:   Fri Sep 8 20:39:29 2017 +0200

    universal-cp: Fix critical on subdevice

 src/universal-cp/device-treeview.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/universal-cp/device-treeview.c b/src/universal-cp/device-treeview.c
index 79ec04b..f027ace 100644
--- a/src/universal-cp/device-treeview.c
+++ b/src/universal-cp/device-treeview.c
@@ -400,7 +400,7 @@ on_device_icon_available (GUPnPDeviceInfo *info,
                                     0, icon,
                                     -1);
 
-        g_object_unref (icon);
+        g_clear_object (&icon);
 }
 
 static void