we only need to check for error, not for 'error code 1',

that's sufficient for make; Solaris 10 gives us an exit
code of 255 (exit status 65280) here according to Tonnerre

check.t

@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.41 2006/05/26 23:36:18 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.42 2006/05/27 11:36:50 tg Exp $
 # $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
@@ -3716,7 +3716,7 @@ expected-stdout:
 expected-stderr:
 	+ /usr/bin/env true
 	+ /usr/bin/env false
-expected-exit: 1
+expected-exit: e != 0
 ---
 name: test-stlt
 description: