add missing  attribute in pt-BR lang file
add missing  attribute in pt-BR lang file

bebeeteam/summernote,AshDevFr/winternote,AshDevFr/winternote,bebeeteam/summernote,AshDevFr/winternote,summernote/summernote,bebeeteam/summernote,summernote/summernote,summernote/summernote