[gnome-builder/gnome-builder-3-24] flatpak: perform remove_range() inside of NULL-check

[Christian Hergert <chergert src gnome org>]

commit 0714c211a1c7df093fbc8b7de7a11939bd6644b0
Author: Christian Hergert <chergert redhat com>
Date:   Fri May 5 00:44:44 2017 -0700

    flatpak: perform remove_range() inside of NULL-check
    
    Fixes Coverity CID 168632

 plugins/flatpak/gbp-flatpak-preferences-addin.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/plugins/flatpak/gbp-flatpak-preferences-addin.c b/plugins/flatpak/gbp-flatpak-preferences-addin.c
index 06d6b46..b390f04 100644
--- a/plugins/flatpak/gbp-flatpak-preferences-addin.c
+++ b/plugins/flatpak/gbp-flatpak-preferences-addin.c
@@ -354,6 +354,8 @@ gbp_flatpak_preferences_addin_reload (GbpFlatpakPreferencesAddin *self)
           id = g_array_index (self->ids, guint, i);
           ide_preferences_remove_id (self->preferences, id);
         }
+
+      g_array_remove_range (self->ids, 0, self->ids->len);
     }
 
   task = g_task_new (self, self->cancellable, gbp_flatpak_preferences_addin_reload_cb, NULL);