schedule: fix printf warning (size_t uses %zu)

diff --git a/schedule.cc b/schedule.cc
index d6ec03830abc9e395e16dec32945e827f739a52b..3769a5acaf8db809934e80a450f06360ca526db1 100644 (file)
--- a/schedule.cc
+++ b/schedule.cc
@@ -48,7 +48,7 @@ void Scheduler::print()
                DEBUG("Current thread: %d\n", current->get_id());
        else
                DEBUG("No current thread\n");
-       DEBUG("Num. threads in ready list: %ld\n", readyList.size());
+       DEBUG("Num. threads in ready list: %zu\n", readyList.size());
 
        std::list<Thread *>::iterator it;
        for (it = readyList.begin(); it != readyList.end(); it++)