[gnome-settings-daemon] wacom: Fix small memleak

[Bastien Nocera <hadess src gnome org>]

commit a11cdee7a4991dc3a6ff26be0b32fb27cfdae279
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Oct 8 17:48:02 2013 +0200

    wacom: Fix small memleak

 plugins/wacom/gsd-wacom-manager.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/wacom/gsd-wacom-manager.c b/plugins/wacom/gsd-wacom-manager.c
index 8bc2a09..4573a5c 100644
--- a/plugins/wacom/gsd-wacom-manager.c
+++ b/plugins/wacom/gsd-wacom-manager.c
@@ -487,6 +487,7 @@ set_keep_aspect (GsdWacomDevice *device,
          */
        if (!keep_aspect) {
                g_settings_set_value (settings, KEY_AREA, variant);
+               g_variant_unref (variant);
                return;
         }