[gnome-builder] flatpak: silence stdout for which flatpak-builder

[Christian Hergert <chergert src gnome org>]

commit 921cf56d01a5993467c6a2d9edf0c2224966e773
Author: Christian Hergert <chergert redhat com>
Date:   Mon Mar 13 17:52:57 2017 -0700

    flatpak: silence stdout for which flatpak-builder

 plugins/flatpak/gbp-flatpak-application-addin.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/flatpak/gbp-flatpak-application-addin.c b/plugins/flatpak/gbp-flatpak-application-addin.c
index 34e32bd..e46ac02 100644
--- a/plugins/flatpak/gbp-flatpak-application-addin.c
+++ b/plugins/flatpak/gbp-flatpak-application-addin.c
@@ -1112,7 +1112,7 @@ gbp_flatpak_application_addin_check_sysdeps_async (GbpFlatpakApplicationAddin *s
   task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_source_tag (task, gbp_flatpak_application_addin_check_sysdeps_async);
 
-  launcher = ide_subprocess_launcher_new (0);
+  launcher = ide_subprocess_launcher_new (G_SUBPROCESS_FLAGS_STDOUT_SILENCE);
   ide_subprocess_launcher_set_clear_env (launcher, FALSE);
   ide_subprocess_launcher_set_run_on_host (launcher, TRUE);
   ide_subprocess_launcher_push_argv (launcher, "which");