Index: tests/concurrency/waituntil/locks.cfa
===================================================================
--- tests/concurrency/waituntil/locks.cfa	(revision c880a7baaa4c18bd113e461ac9643ad4be59f47a)
+++ tests/concurrency/waituntil/locks.cfa	(revision 1db6d707c9c3bb51aa52503723989ef9490a8c10)
@@ -2,4 +2,5 @@
 #include <thread.hfa>
 #include <locks.hfa>
+#include <fstream.hfa>
 #include <mutex_stmt.hfa>