Fixed build failure

storage/innobase/include/sync0rw.ic

@@ -415,7 +415,7 @@ rw_lock_x_unlock_func(
 		We need to signal read/write waiters.
 		We do not need to signal wait_ex waiters, since they cannot
 		exist when there is a writer. */
-		if (my_atomic_load32_explicit(&lock->waiters,
+		if (my_atomic_load32_explicit((int32*) &lock->waiters,
 					      MY_MEMORY_ORDER_RELAXED)) {
 			my_atomic_store32((int32*) &lock->waiters, 0);
 			os_event_set(lock->event);

storage/innobase/sync/sync0rw.cc

@@ -884,7 +884,7 @@ rw_lock_validate(
 						MY_MEMORY_ORDER_RELAXED);
 
 	ut_ad(lock->magic_n == RW_LOCK_MAGIC_N);
-	ut_ad(my_atomic_load32_explicit(&lock->waiters,
+	ut_ad(my_atomic_load32_explicit((int32*) &lock->waiters,
 					MY_MEMORY_ORDER_RELAXED) < 2);
 	ut_ad(lock_word > -(2 * X_LOCK_DECR));
 	ut_ad(lock_word <= X_LOCK_DECR);