Xlib: extension "NV-GLX" missing on display

[alupu at verizon.net]

Apologies.
In the previous post I said,

> Firefox (6.0) NO longer puts out the "NV-GLX" message(s).

WRONG.

Nothing has changed.  Firefox still emits the "NV-GLX" message(s).

Sorry about that.
Back to square one.
A humbled,

-- Alex