Don't refer to paths containing thunderbird

Closes: #486617
New upstream version 17.0.2
Merge tag 'upstream/17.0.2'

Upstream version 17.0.2

# gpg: Signature made Fr 11 Jan 2013 17:26:54 CET
# gpg:                using DSA key 0x9FCF2CCD3F3E6426
# gpg: please do a --check-trustdb
# gpg: Good signature from "Guido Günther <agx@sigxcpu.org>"
# gpg:                 aka "Guido Guenther <agx@debian.org>"
# gpg:                 aka "Guido Guenther <agx@sigxcpu.org>"
Allow webrtc to build on more architectures

Thanks: Mike Hommey and Christoph Göhre
Document changes and release 17.0.2-1