[gnome-builder] flatpak: use g_clear_object()

[Christian Hergert <chergert src gnome org>]

commit 583c32ab7fffe038b5cbaa43b19d1864f024fea6
Author: Christian Hergert <chergert redhat com>
Date:   Mon Nov 28 14:17:26 2016 -0800

    flatpak: use g_clear_object()

 plugins/flatpak/gbp-flatpak-runtime.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/plugins/flatpak/gbp-flatpak-runtime.c b/plugins/flatpak/gbp-flatpak-runtime.c
index 8eba41b..a09d5a2 100644
--- a/plugins/flatpak/gbp-flatpak-runtime.c
+++ b/plugins/flatpak/gbp-flatpak-runtime.c
@@ -438,8 +438,7 @@ gbp_flatpak_runtime_postinstall_worker (GTask        *task,
         }
       ide_subprocess_launcher_push_argv (launcher, build_path);
 
-      if (parser != NULL)
-        g_object_unref (parser);
+      g_clear_object (&parser);
 
       process = ide_subprocess_launcher_spawn (launcher, cancellable, &error);
 
@@ -697,7 +696,7 @@ gbp_flatpak_runtime_create_launcher (IdeRuntime  *runtime,
 
       ide_subprocess_launcher_set_run_on_host (ret, TRUE);
 
-      g_object_unref (parser);
+      g_clear_object (&parser);
     }
 
   return ret;