Log Message:
Update devel/lua-rocks to version 2.4.4.

Changes since version 2.4.3:

* All platfoms: Do not halt a package deletion process when a file
  from the package is missing
* Windows: Updated bundled binaries: Lua 5.1.5, Wget 1.19.4, 7zip 18.01
* Windows: updated installer to better handle gcc toolchains
* Windows: fix detection of directories
* Windows: fixes .def generation