Added dup205 test.
diff --git a/runtest/syscalls b/runtest/syscalls
index 47c6c24..549a094 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -98,6 +98,7 @@
 dup202 dup202
 dup203 dup203
 dup204 dup204
+dup205 dup205
 
 execl01 execl01
 execle01 execle01