create_sympa_listdomain.sh: fix code error - missing 'done'.

create_sympa_listdomain.sh

@@ -405,6 +405,7 @@ for _listmaster in "${listmaster_arr[@]}" ; do
    else
       SYMPA_LISTMASTER="${SYMPA_LISTMASTER},$_listmaster"
    fi
+done
 SYMPA_LISTMASTER="$(echo $SYMPA_LISTMASTER | sed 's/\(.\)\1*/\1/g')"
 # Remove trailling ','
 SYMPA_LISTMASTER="${SYMPA_LISTMASTER%,}"