updated backends to use type MutexRef

svn-id: r8776

1 files changed, 4 insertions, 4 deletions

diff --git a/backends/morphos/morphos.h b/backends/morphos/morphos.h
index 124e7b17f3..5076c2d479 100644
--- a/backends/morphos/morphos.h
+++ b/backends/morphos/morphos.h
@@ -85,10 +85,10 @@ class OSystem_MorphOS : public OSystem
 		virtual void set_timer(int timer, int (*callback)(int));
 
 		// Mutex handling
-		virtual void *create_mutex();
-		virtual void lock_mutex(void *mutex);
-		virtual void unlock_mutex(void *mutex);
-		virtual void delete_mutex(void *mutex);
+		virtual MutexRef create_mutex();
+		virtual void lock_mutex(MutexRef mutex);
+		virtual void unlock_mutex(MutexRef mutex);
+		virtual void delete_mutex(MutexRef mutex);
 
 		// Create a thread
 		virtual void create_thread(ThreadProc *proc, void *param);