evoacme: use xargs instead of while

evoacme/files/certbot.cron

@@ -9,6 +9,6 @@
 [ -f /etc/default/evoacme ] && . /etc/default/evoacme
 CRT_DIR="${CRT_DIR:-'/etc/letsencrypt'}"
 
-find "${CRT_DIR}" -maxdepth 1 -mindepth 1 -type d ! -path "*accounts" ! -path "*hooks" -printf "%f\n" | while read vhost; do
-    QUIET=1 evoacme "$vhost"
-done
+export QUIET=1
+
+find "${CRT_DIR}" -maxdepth 1 -mindepth 1 -type d ! -path "*accounts" ! -path "*hooks" -printf "%f\n" | xargs -n1 evoacme