Change some short php tags to long tags

peerupdate.php

-<?
+<?php
 define('MEMORY_EXCEPTION', true);
 define('TIME_EXCEPTION', true);
 define('ERROR_EXCEPTION', true);

sections/peerupdate/index.php

-<?
+<?php
 // We keep torrent groups cached. However, the peer counts change often, so our solutions are to not cache them for long, or to update them. Here is where we updated them.
 
 if ((!isset($argv[1]) || $argv[1]!=SCHEDULE_KEY) && !check_perms('admin_schedule')) { // authorization, Fix to allow people with perms hit this page.