Fix typo in write2 function that was preventing correct Log In logging for WebUI.

Author: cdujeu

core/src/plugins/log.sql/class.sqlLogDriver.php

@@ -325,7 +325,7 @@ public function formatXmlLogItem($node, $icon, $dateattrib, $filename, $remote_i
      */
     public function write2($level, $ip, $user, $source, $prefix, $message)
     {
-        if($prefix == "Log In" && $message="context=API"){
+        if($prefix == "Log In" && $message=="context=API"){
             // Limit the number of logs
             $test = dibi::query('SELECT [logdate] FROM [ajxp_log] WHERE [user]=%s AND [message]=%s AND [params]=%s ORDER BY [logdate] DESC %lmt %ofs', $user, $prefix, $message, 1, 0);
             $lastInsert = $test->fetchSingle();