[vala/0.28] glib-2.0: Conditionally use boxed OptionGroup since 2.44

[Rico Tzschichholz <ricotz src gnome org>]

commit 060006c9fe388a8e3a4c204c136f9d351272da2e
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Jun 16 07:34:33 2015 +0200

    glib-2.0: Conditionally use boxed OptionGroup since 2.44
    
    (cherry picked from commit 108a0c59502b6e00bb0782af904f12eae8c1adeb)

 vapi/glib-2.0.vapi |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 79457f1..bf2d3cf 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -3379,7 +3379,11 @@ namespace GLib {
        }
 
        [Compact]
+#if GLIB_2_44
+       [CCode (ref_function = "g_option_group_ref", unref_function = "g_option_group_unref", type_id = 
"G_TYPE_OPTION_GROUP")]
+#else
        [CCode (free_function = "g_option_group_free")]
+#endif
        public class OptionGroup {
                public OptionGroup (string name, string description, string help_description, void* user_data 
= null, DestroyNotify? destroy = null);
                public void add_entries ([CCode (array_length = false)] OptionEntry[] entries);