hostnamectl: fix parsing of --no-ask-password

src/hostname/hostnamectl.c

@@ -403,6 +403,10 @@ static int parse_argv(int argc, char *argv[]) {
                         arg_set_static = true;
                         break;
 
+                case ARG_NO_ASK_PASSWORD:
+                        arg_ask_password = false;
+                        break;
+
                 case '?':
                         return -EINVAL;