[libgee] Remove deprecation warning - changing the exchange_and_add to add

[Maciej Marcin Piechotka <mpiechotka src gnome org>]

commit 6b8f6c58513ea580db378b671e23d213d226405f
Author: Maciej Piechotka <uzytkownik2 gmail com>
Date:   Sat Aug 17 18:35:27 2013 +0200

    Remove deprecation warning - changing the exchange_and_add to add

 gee/hazardpointer.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gee/hazardpointer.vala b/gee/hazardpointer.vala
index 411aefd..81a9306 100644
--- a/gee/hazardpointer.vala
+++ b/gee/hazardpointer.vala
@@ -479,7 +479,7 @@ public class Gee.HazardPointer<G> { // FIXME: Make it a struct
                                if ((policy & (1 << (sizeof(int) * 8 - 1))) == 0) {
                                        _queue = new LinkedList<ArrayList<FreeNode *>> ();
                                        // Hack to not lie about successfull setting policy
-                                       policy = AtomicInt.exchange_and_add (ref release_policy, (int)(1 << 
(sizeof(int) * 8 - 1)));
+                                       policy = AtomicInt.add (ref release_policy, (int)(1 << (sizeof(int) * 
8 - 1)));
                                        start ((ReleasePolicy) policy);
                                }
                                _queue_mutex.unlock ();