apply StyleCI recommendation

tst/I18nTest.php

@@ -147,7 +147,7 @@ class I18nTest extends PHPUnit_Framework_TestCase
     {
         $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'foobar';
         I18n::loadTranslations();
-        $input = '&<>"\'/`=';
+        $input  = '&<>"\'/`=';
         $result = htmlspecialchars($input, ENT_QUOTES | ENT_HTML5 | ENT_DISALLOWED, 'UTF-8', false);
         $this->assertEquals($result, I18n::encode($input), 'encodes HTML entities');
         $this->assertEquals('<a>some ' . $result . ' + 1</a>', I18n::_('<a>some %s + %d</a>', $input, 1), 'encodes parameters in translations');