[glib] Revert "notify: Remove unused g_object_notify_queue_clear()"

[Benjamin Otte <otte src gnome org>]

commit 86040bb2eb11ad9501cc0c94754e8d8f29ba8f17
Author: Benjamin Otte <otte redhat com>
Date:   Fri Jul 23 10:51:14 2010 +0200

    Revert "notify: Remove unused g_object_notify_queue_clear()"
    
    This reverts commit 0201a81f04ae5fd46c6db25859e90dde1fc35d4b and adds
    locks in the right place.
    
    As this file is a public header (see last commit), we cannot just remove
    functions from it.

 gobject/gobjectnotifyqueue.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/gobject/gobjectnotifyqueue.c b/gobject/gobjectnotifyqueue.c
index e54e3f7..e53e22b 100644
--- a/gobject/gobjectnotifyqueue.c
+++ b/gobject/gobjectnotifyqueue.c
@@ -146,6 +146,21 @@ g_object_notify_queue_thaw (GObject            *object,
 }
 
 static inline void
+g_object_notify_queue_clear (GObject            *object,
+			     GObjectNotifyQueue *nqueue)
+{
+  g_return_if_fail (nqueue->freeze_count > 0);
+
+  G_LOCK(notify_lock);
+
+  g_slist_free (nqueue->pspecs);
+  nqueue->pspecs = NULL;
+  nqueue->n_pspecs = 0;
+
+  G_UNLOCK(notify_lock);
+}
+
+static inline void
 g_object_notify_queue_add (GObject            *object,
 			   GObjectNotifyQueue *nqueue,
 			   GParamSpec	      *pspec)