fix set rspamd worker password

data/Dockerfiles/rspamd/set_worker_password.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+password_file='/etc/rspamd/override.d/worker-controller-password.inc'
+password_hash=`/usr/bin/rspamadm pw -e -p $1`
+
+echo 'enable_password = "'$password_hash'";' > $password_file
+
+if grep -q "$password_hash" "$password_file"; then
+    echo "OK"
+else
+    echo "ERROR"
+fi