[libpeas] Add Since tag to PeasEngine:nonglobal-loaders

[Garrett Regier <gregier src gnome org>]

commit e337e826e5a982195a444f1e6fae0bbee26bbfe4
Author: Garrett Regier <garrett regier riftio com>
Date:   Wed Nov 19 23:05:42 2014 -0800

    Add Since tag to PeasEngine:nonglobal-loaders
    
    https://bugzilla.gnome.org/show_bug.cgi?id=739831

 libpeas/peas-engine.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libpeas/peas-engine.c b/libpeas/peas-engine.c
index 2317d50..ed87ea7 100644
--- a/libpeas/peas-engine.c
+++ b/libpeas/peas-engine.c
@@ -564,6 +564,8 @@ peas_engine_class_init (PeasEngineClass *klass)
    * If non-global plugin loaders should be used.
    *
    * See peas_engine_new_with_nonglobal_loaders() for more information.
+   *
+   * Since: 2.14
    */
   properties[PROP_NONGLOBAL_LOADERS] =
     g_param_spec_boolean ("nonglobal-loaders",