Fix issue in <i> tag

@tlcd96  for noticing it

web/templates/pages/add_mail_acc.html

@@ -98,7 +98,7 @@
 									<tr>
 										<td>
 											<input type="text" size="20" class="vst-input" name="v_quota" value="<?=htmlentities(trim($v_quota, "'"))?>">
-											<i class="unlim-trigger fas fa-infinity" title="<?=_('Unlimited');?>" id="unlim-quota" /</i>
+											<i class="unlim-trigger fas fa-infinity" title="<?=_('Unlimited');?>" id="unlim-quota"></i>
 										</td>
 									</tr>
 									<tr>
@@ -191,4 +191,4 @@
 			</tr>
 		</table>
 	</form>
-</div>
+</div>