Added mallopt() test.
diff --git a/runtest/syscalls b/runtest/syscalls
index c3bb3d1..ee51ee7 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -331,6 +331,8 @@
 lstat02 lstat02
 lstat03 lstat03
 
+mallopt01 mallopt01
+
 memset01 memset01
 memcmp01 memcmp01
 memcpy01 memcpy01