git subrepo commit (merge) mailcow/src/mailcow-dockerized

subrepo: subdir:   "mailcow/src/mailcow-dockerized"
  merged:   "c7b1dc37"
upstream: origin:   "https://github.com/mailcow/mailcow-dockerized.git"
  branch:   "master"
  commit:   "a366494c"
git-subrepo: version:  "0.4.6"
  origin:   "???"
  commit:   "???"
Change-Id: Id574ecd4e02e3c4fbf8a1efd49be11c0b6d19a3f
diff --git a/mailcow/src/mailcow-dockerized/helper-scripts/mailcow-reset-admin.sh b/mailcow/src/mailcow-dockerized/helper-scripts/mailcow-reset-admin.sh
index ee95d3e..ea8a4a4 100755
--- a/mailcow/src/mailcow-dockerized/helper-scripts/mailcow-reset-admin.sh
+++ b/mailcow/src/mailcow-dockerized/helper-scripts/mailcow-reset-admin.sh
@@ -19,7 +19,7 @@
 response=${response,,}    # tolower
 if [[ "$response" =~ ^(yes|y)$ ]]; then
 	echo -e "\nWorking, please wait..."
-  random=$(</dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-16})
+  random=$(</dev/urandom tr -dc _A-Z-a-z-0-9 2> /dev/null | head -c${1:-16})
   password=$(docker exec -it $(docker ps -qf name=dovecot-mailcow) doveadm pw -s SSHA256 -p ${random} | tr -d '\r')
 	docker exec -it $(docker ps -qf name=mysql-mailcow) mysql -u${DBUSER} -p${DBPASS} ${DBNAME} -e "DELETE FROM admin WHERE username='admin';"
   docker exec -it $(docker ps -qf name=mysql-mailcow) mysql -u${DBUSER} -p${DBPASS} ${DBNAME} -e "DELETE FROM domain_admins WHERE username='admin';"