Illegal whitespace ;) 
The same is in 20 other files:
```#Line 6:  * @license http
phpBB\phpbb\db\migration\data\v310\profilefield_aol_cleanup.php
phpBB\phpbb\db\migration\data\v310\profilefield_icq.php
phpBB\phpbb\db\migration\data\v310\profilefield_icq_cleanup.php
phpBB\phpbb\db\migration\data\v310\profilefield_website_cleanup.php
phpBB\phpbb\db\migration\data\v310\profilefield_wlm_cleanup.php
phpBB\phpbb\db\migration\data\v310\profilefield_yahoo_cleanup.php
tests\compress\compress_test.php
tests\functional\avatar_acp_groups_test.php
tests\functional\avatar_acp_users_test.php
tests\functional\avatar_ucp_groups_test.php
tests\functional\avatar_ucp_users_test.php
tests\functional\common_avatar_test.php
tests\functional\fileupload_form_test.php
tests\functional\fileupload_remote_test.php
tests\functional\plupload_test.php
tests\functional\report_post_captcha_test.php
tests\mock\auth_provider.php
tests\mock\filespec.php
tests\mock\fileupload.php
tests\session\check_ban_test.php
tests\session\create_test.php
tests\session\extract_hostname_test.php
tests\session\extract_page_test.php
tests\session\garbage_collection_test.php
tests\session\session_key_test.php
tests\session\testable_facade.php
tests\session\unset_admin_test.php
tests\session\validate_referrer_test.php
tests\test_framework\phpbb_session_test_case.php
tests\upload\filespec_test.php
tests\upload\fileupload_test.php```