textproc/raptor2: update to 2.0.16
Changelog:
- Fixes CVE-2017-18926 and CVE-2020-25713
- Multiple Appveyor Windows and CMake build fixes by 0u812. (Note: the resulting binaries and libraries were not tested on Windows)
- Turtle parser now reads input in chunks so can handle huge files. Patch by Sebastian Freundt
- Added a serializer for the mKR language. Patch by Richard H. McCullough.
- Rapper utility now counts triples using longs
- Several smaller portability fixes for OpenBSD and cross building
See the Raptor2 2.0.16 Release Notes [1] for the full details of the changes.