Travis found a Whitespace

```
FILE: /home/travis/build/joomla/joomla-cms/libraries/joomla/language/text.php
--------------------------------------------------------------------------------
FOUND 1 ERROR(S) AFFECTING 1 LINE(S)
--------------------------------------------------------------------------------
 356 | ERROR | Whitespace found at end of line
--------------------------------------------------------------------------------
```
https://travis-ci.org/joomla/joomla-cms/jobs/44910439