FSF old address in coyright statements

[Luis Rodrigo Gallardo Cruz <rodrigo@nul-unu.com>]

My upstream's copyright statements in source files contain the old FSF
mailing address. I will contact them about this problem but, while
they react should I

a) Faithfully reproduce their copyright statement in the package's
debian/copyright and give wrong information to users, or

b) Use the current address, at the cost of not using upstream's
licence statement verbatim.

?

Thanks,

-- 
Rodrigo Gallardo
GPG-Fingerprint: 7C81 E60C 442E 8FBC D975  2F49 0199 8318 ADC9 BC28

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