[gentoo-hardened] NVidia 180.51 working on hardened overlay (amd64)

[7v5w7go9ub0o]

FYI.

FWICT, it seems to work fine.  Used the
"NVIDIA-Linux-x86_64-180.51-pkg.run" script available at the nvidia
site; compiled it with x86_64-pc-linux-gnu-4.3.3-vanilla.