ports/141660: x11/xorg: X can't determine amount of video memory on a laptop with 4Gb

[Olivier Certner]

Hi,

> http://www.freebsd.org/cgi/query-pr.cgi?pr=141660

Mentioned in one mail sent in response to this PR is an (old) attempt to have 
the Nvidia proprietary driver working that failed with a resource error (see 
the PR).

I do not have the hardware available right now so I cannot conduct new tests 
in a reasonable timeframe. I'll open another PR if I find that the problem 
persists.

Olivier