Fixed vhostsubdomain not empty regex check to allow 1 char subdomains.

Till Brehm

2014-02-17 baa7f2736bc91ca3feaed685e8a67a46db4fbb98

 interface/web/admin/templates/software_update_list.htm

@@ -36,6 +36,11 @@
                            <td class="tbl_col_version">{tmpl_var name="version"}</td>
                        </tr>
                    </tmpl_loop>
                    <tmpl_unless name="records">
                        <tr class="tbl_row_noresults tbl_row_<tmpl_if name='__EVEN__'}even<tmpl_else>uneven</tmpl_if>">
                            <td colspan="3">{tmpl_var name='no_updates_txt'}</td>
                        </tr>
                    </tmpl_unless>
                </tbody>
                <tfoot>
                    <tr>