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svn:author
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pkubaj
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svn:date
V 27
2020-01-03T15:10:30.986651Z
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svn:log
V 127
MFH: r521945

archivers/py-bup: don't set -Werror

Fixes build with base GCC.

Approved by:	portmgr (ports compliance blanket)

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