ajuste na flag de pre-pago no cadastro de ramais IAX

admin/cadIax.php

@@ -566,7 +566,7 @@ if ($_GET['ajax'] == 1) {
                                 <fieldset>
                                     <legend class="labels">Habilita Pré-pago</legend>
                                     <input name="habilita_prepago" type="radio" value="1" <?= (!HabilitaPrepago()) ? 'disabled="disabled"' : null; ?> <?= ($acao == 'edita') && ($habilita_prepago) ? "checked" : null; ?> />Sim
-                                    <input name="habilita_prepago" type="radio" value="0" <?= (!HabilitaPrepago()) ? 'disabled="disabled"' : null; ?> <?= ($acao == 'edita') && ($habilita_prepago) ? "checked" : null; ?> <?= ($acao != 'edita') ? "checked" : null; ?> />N&atilde;o</span>
+                                    <input name="habilita_prepago" type="radio" value="0" <?= (!HabilitaPrepago()) ? 'disabled="disabled"' : null; ?> <?= ($acao == 'edita') && (!$habilita_prepago) ? "checked" : null; ?> <?= ($acao != 'edita') ? "checked" : null; ?> />N&atilde;o</span>
                                 </fieldset>
                             </td>
                             <td width="25%">