Avoid incorrect PASS of runcon-compute.sh

Author: oech3

util/fetch-gnu.sh

@@ -7,3 +7,5 @@ curl -L "${repo}/releases/download/v${ver}/coreutils-${ver}.tar.xz" | tar --stri
 curl ${repo}/raw/refs/heads/master/tests/mv/hardlink-case.sh > tests/mv/hardlink-case.sh
 curl ${repo}/raw/refs/heads/master/tests/mkdir/writable-under-readonly.sh > tests/mkdir/writable-under-readonly.sh
 curl ${repo}/raw/refs/heads/master/tests/cp/cp-mv-enotsup-xattr.sh > tests/cp/cp-mv-enotsup-xattr.sh #spell-checker:disable-line
+# Avoid incorrectly passing runcon-compute 
+curl ${repo}/raw/refs/heads/master/tests/runcon/runcon-compute.sh > tests/runcon/runcon-compute.sh

util/why-error.md

@@ -34,5 +34,6 @@ This file documents why some GNU tests are failing:
 * tail/follow-stdin.sh
 * tail/inotify-rotate-resources.sh
 * tail/symlink.sh
+* runcon/runcon-compute.sh 
 * stty/stty-row-col.sh
 * stty/stty.sh