use ordered memory semantics for atomic int

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1750 0778d3d1-df1d-0410-868b-ea421aaaa00d

ChangeLog

@@ -1,5 +1,8 @@
 2008-10-14	Tobias Doerffel	<tobydox/at/users/dot/sourceforge/dot/net>
 
+	* src/core/mixer.cpp:
+	use ordered memory semantics for atomic int
+
 	* CMakeLists.txt:
 	improved dependency handling for building manpage
 

src/core/mixer.cpp

@@ -183,7 +183,7 @@ private:
 					it != s_jobQueue.items.end(); ++it )
 			{
 #if QT_VERSION >= 0x040400
-				if( it->done.fetchAndStoreRelaxed( 1 ) == 0 &&
+				if( it->done.fetchAndStoreOrdered( 1 ) == 0 &&
 								it->job != NULL )
 				{
 #else