discuss_so.php

修正了多处BUG

<table width="100%" border="0" cellspacing="0" cellpadding="0" class="biaoge">
  <tr> 
    <td width="45%"><a href= showdis.php?time_num={2}&mod=showdiscuss&count=0>{0}</a></td>
    <td width="13%">{hot}</td>
    <td width="18%">{1}</td>
    <td width="24%">{last}</td>
  </tr>
</table>