Fixes always shown warning (#90)

plugins/check.php

@@ -59,7 +59,7 @@ if (substr(sprintf('%o', @fileperms('../data/')), -4)!='0777')			$error .= ('Err
 if ($error=='') echo('Everything is fine. Lychee should work without problems!' . PHP_EOL . PHP_EOL); else echo $error;
 
 // Check php.ini Settings
-if (ini_get('max_execution_time')<200&&ini_set('upload_max_filesize', '20M')!==true) echo('Warning: You may experience problems when uploading a large amount of photos. Take a look in the FAQ for details.' . PHP_EOL);
+if (ini_get('max_execution_time')<200&&ini_set('upload_max_filesize', '20M')===false) echo('Warning: You may experience problems when uploading a large amount of photos. Take a look in the FAQ for details.' . PHP_EOL);
 
 // Check mysql version
 if ($database->server_version<50500) echo('Warning: Lychee uses the GBK charset to avoid sql injections on your MySQL version. Please update to MySQL 5.5 or higher to enable UTF-8 support.' . PHP_EOL);