Fixes #1254 Kcfinder library cleanup

kcfinder/core/browser.php

@@ -262,7 +262,8 @@ class browser extends uploader {
$this->errorMsg($message);
}
-        $target = "$dir/" . file::getInexistantFilename($this->file['name'], $dir);
+        $sanitizedFilename = file::sanitizeFileName($this->file['name']);
+        $target = "$dir/" . file::getInexistantFilename($sanitizedFilename, $dir);
if (!@move_uploaded_file($this->file['tmp_name'], $target) &&
!@rename($this->file['tmp_name'], $target) &&