[gnome-software] app: Don't leak review ratings

[Kalev Lember <klember src gnome org>]

commit 04ae8798a3a76143efeb54d0833580343abe64b0
Author: Kalev Lember <klember redhat com>
Date:   Tue Jan 2 18:59:57 2018 +0100

    app: Don't leak review ratings

 lib/gs-app.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/lib/gs-app.c b/lib/gs-app.c
index ed74876..1cf4ffb 100644
--- a/lib/gs-app.c
+++ b/lib/gs-app.c
@@ -4006,6 +4006,7 @@ gs_app_dispose (GObject *object)
        g_clear_pointer (&priv->history, g_ptr_array_unref);
        g_clear_pointer (&priv->related, g_ptr_array_unref);
        g_clear_pointer (&priv->screenshots, g_ptr_array_unref);
+       g_clear_pointer (&priv->review_ratings, g_array_unref);
        g_clear_pointer (&priv->reviews, g_ptr_array_unref);
        g_clear_pointer (&priv->provides, g_ptr_array_unref);
        g_clear_pointer (&priv->icons, g_ptr_array_unref);