Fix bug with gd-jis

tests/mods/modules/gd/gd-ttf-cyrillic.php

@@ -0,0 +1,18 @@
+<?php
+/**
+ * This page should print 'OK' if everything works,
+ * 'FAIL' or nothing if an error occured.
+ */
+ini_set('display_startup_errors', 1);
+ini_set('display_errors', 1);
+error_reporting(-1);
+
+
+$dir  = realpath(dirname(__FILE__));
+$font = $dir . DIRECTORY_SEPARATOR . 'ptsans-regular.ttf';
+
+if ( ($bbox = imagettfbbox(10, 0, $font, 'текст на русском языке не работает')) === FALSE ) {
+	echo 'FAIL: imagettfbox()';
+	exit(1);
+}
+echo 'OK';