This version fixes some upstream issues observed during the pt_BR
translation update: #8 (obsolete entries reappearing); an
unidentified issue that made i18n/posplit produce some spurious
messages on the resulting po file; possibly others.
These bugs probably didn't cause actual differences on the translated
output, since an invalid message added to the .mo file wouldn't match
an input message most of the time. But they do pollute the .po file
contents (and diffs), adding some confusion to the translation
process.
2f1d9e562f9c, 9c9fa4e0be7b and fe9ec223d90c were included upstream,
so the only remaining difference is the "no-check-code" marking.
