cmp(1) Capsicum error if stdin closed
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234885

--- tests/multiv05.at.orig	2019-01-11 20:11:26 UTC
+++ tests/multiv05.at
@@ -28,7 +28,7 @@ AT_KEYWORDS([multivolume multiv multiv05 sync])
 m4_pushdef([FILELIST],[jeden,dwa,trzy,cztery,piec,szesc])
 
 AT_TAR_CHECK([
-exec <&-
+#exec <&-
 
 m4_foreach([f],
   [FILELIST],