Update pt_BR.inc
Update pt_BR.inc

Fixed typo erros, wrong translated sentences and suggested to use Authy instead of Google Authenticator. Since Authy is cloud based and makes a online backup, and it's safer than Google Authenticator https://www.zdnet.com/article/android-malware-can-steal-google-authenticator-2fa-codes/
alexandregz/twofactor_gauthenticator,alexandregz/twofactor_gauthenticator