vlc_atomic: atomic_compare_exchange_weak_explicit takes 5 parameters

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

include/vlc_atomic.h

@@ -144,7 +144,7 @@ typedef         uintmax_t atomic_uintmax_t;
 #  define atomic_compare_exchange_weak(object,expected,desired) \
     atomic_compare_exchange(object, expected, desired)
 
-#  define atomic_compare_exchange_weak_explicit(object,expected,desired,order) \
+#  define atomic_compare_exchange_weak_explicit(object,expected,desired,order_equal,order_different) \
     atomic_compare_exchange_weak(object, expected, desired)
 
 #  define atomic_fetch_add(object,operand) \