FreeBSD/doc dd83a1a (r53158)pt_BR.ISO8859-1/books/porters-handbook pt_BR.po book.xml

pt_BR.ISO8859-1/books/porters-handbook: Sync with en_US r53141

Approved by:    ebrandi
Obtained from:  The FreeBSD Brazilian Portuguese Documentation Project
Differential Revision:  https://reviews.freebsd.org/D20658
DeltaFile
+11,156-9,803pt_BR.ISO8859-1/books/porters-handbook/pt_BR.po
+685-43pt_BR.ISO8859-1/books/porters-handbook/book.xml
+11,841-9,8462 files

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