package/madwifi: Use sema_init() instead of init_MUTEX() (based on: http://madwifi-project.org/changeset/4118)

SVN-Revision: 23829

package/madwifi/473-mutex_fix.patch

@@ -0,0 +1,9 @@
+--- a/ath/if_athvar.h
++++ b/ath/if_athvar.h
+@@ -991,5 +991,5 @@
+ #endif
+ /* Protects the device from concurrent accesses */
+-#define	ATH_LOCK_INIT(_sc)		init_MUTEX(&(_sc)->sc_lock)
++#define	ATH_LOCK_INIT(_sc)		sema_init(&(_sc)->sc_lock, 1)
+ #define	ATH_LOCK_DESTROY(_sc)
+ #define	ATH_LOCK(_sc)			down(&(_sc)->sc_lock)