Added ftruncate04 test.
diff --git a/runtest/syscalls b/runtest/syscalls
index 6d8f70f..5011d45 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -203,6 +203,7 @@
 ftruncate01 ftruncate01
 ftruncate02 ftruncate02
 ftruncate03 ftruncate03
+ftruncate04 ftruncate04
 
 getcwd01 getcwd01
 getcwd02 getcwd02