Added flock06 test.
diff --git a/runtest/syscalls b/runtest/syscalls
index 04d6201..6a4e28c 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -172,6 +172,7 @@
 flock03 flock03
 flock04 flock04
 flock05 flock05
+flock06 flock06
 
 fmtmsg01 fmtmsg01