[sysprof] profiler: fix leak of error array

[Christian Hergert <chergert src gnome org>]

commit 4d336a62357cd4284d8a972339f4e23745d33279
Author: Christian Hergert <chergert redhat com>
Date:   Mon Oct 15 11:33:48 2018 -0700

    profiler: fix leak of error array

 lib/profiler/sp-local-profiler.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/lib/profiler/sp-local-profiler.c b/lib/profiler/sp-local-profiler.c
index a4d9e6c..3c3fc50 100644
--- a/lib/profiler/sp-local-profiler.c
+++ b/lib/profiler/sp-local-profiler.c
@@ -251,6 +251,7 @@ sp_local_profiler_finalize (GObject *object)
   g_clear_pointer (&priv->sources, g_ptr_array_unref);
   g_clear_pointer (&priv->starting, g_ptr_array_unref);
   g_clear_pointer (&priv->stopping, g_ptr_array_unref);
+  g_clear_pointer (&priv->failures, g_ptr_array_unref);
   g_clear_pointer (&priv->finished_or_failed, g_ptr_array_unref);
   g_clear_pointer (&priv->pids, g_array_unref);