Fix test result. 19/0 is correct.
XXX: find out why I don't get it.

--HG--
branch : HEAD

regress/open_nonarchive.test

diff --git a/regress/open_nonarchive.test b/regress/open_nonarchive.test
index b523abf..3bed520 100644
--- a/regress/open_nonarchive.test
+++ b/regress/open_nonarchive.test
@@ -3,4 +3,4 @@
 file Makefile.am Makefile.am Makefile.am
 args Makefile.am
 return 1
-stdout opening `Makefile.am' returned error 19/2
+stdout opening `Makefile.am' returned error 19/0