Bug#944417: transition: cgal

[Joachim Reichel <joachim.reichel@gmx.de>]

Update:

crrcsim    needs source code changes, patch available
gudhi      binNMU should be sufficient
k3d        needs source code changes, patch available
openems    binNMU should be sufficient
openscad   needs source code changes, patch available
pgrouting  needs source code changes, patch available
pprepair   FTBFS, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944775,
           https://github.com/tudelft3d/pprepair/issues/55
prepair    FTBFS, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944776,
           https://github.com/tudelft3d/prepair/issues/35
pygalmesh  binNMU should be sufficient
rheolef    needs source code changes, patch available, unrelated FTBFS,
           https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944197
sfcgal     needs source code changes, patch available
yade       needs source code changes, patch available