$NetBSD$

These two tests don't have a main() function.

--- Makefile.OpenBSD.orig	2015-09-29 12:15:56.000000000 +0000
+++ Makefile.OpenBSD
@@ -29,8 +29,6 @@ TESTS=	anonmap \
 	randshlib \
 	randstack1 \
 	randstack2 \
-	randarg1 \
-	randarg2 \
 	rettofunc1 \
 	rettofunc1x \
 	rettofunc2 \