Bug#962563: transition: nettle

[peter green <plugwash@p10link.net>]

I just went through the remaining items on the transition tracker for this transition
filing bug reports where appropriate.

freewheeling:
sid-only, unrelated FTBFS bug https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=946863

haskell-hopenpgp/haskell-hopenpgp-tools:
haskell-incremental-parser has picked up a build-depends on a package that has never
built on 6/10 release architectures
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=965299

ocamlnet:
FTBFS on most architectures, doesn't look related to nettle transition
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=965300

opendht:
FTBFS, doesn't look related to nettle transition.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=965301

caml-crush (sid-only):
no binnmu scheduled (builds successfully on reproducible builds)

ring (sid-only):
unrelated FTBFS
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=961837

dpaste (sid-only)
FTBFS on reproducible builds, depends on rc buggy package.