ovs-macros.at: Hide 'exec -a' checking from user.
Messages like 'exec: -a: not found' are a bit annoying.
@@ -173,7 +173,7 @@ uuidfilt () {
# prints a message if a bunch of identical processes are running.
#
# Not all shells support "exec -a NAME", so test for it.
-if (exec -a myname true); then
+if (exec -a myname true 2>&1 >/dev/null); then
run_as () {
(exec -a "$@")
}
