[glib] gobject: add autoptr support for GClosure

[Ernestas Kulik <ernestask src gnome org>]

commit 00f5d2ffa2aaa6423176bdd48db777b47de8735a
Author: Ernestas Kulik <ernestask gnome org>
Date:   Wed Aug 16 14:19:30 2017 +0300

    gobject: add autoptr support for GClosure
    
    This commit defines a g_autoptr() cleanup function for use with
    GClosure.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786360

 gobject/gobject-autocleanups.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gobject/gobject-autocleanups.h b/gobject/gobject-autocleanups.h
index 57654e4..8aeda2e 100644
--- a/gobject/gobject-autocleanups.h
+++ b/gobject/gobject-autocleanups.h
@@ -21,6 +21,7 @@
 #error "Only <glib-object.h> can be included directly."
 #endif
 
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GClosure, g_closure_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GObject, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GInitiallyUnowned, g_object_unref)
 G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(GValue, g_value_unset)