[br] Fixed typo in example: *metr-skol* -> mestr-skol
     Reported by Philippe Basciano-Le Gall.


git-svn-id: https://languagetool.svn.sourceforge.net/svnroot/languagetool/trunk/languagetool@9802 2fe6a88b-1217-0410-b804-ba6ed01314b8