Add public domain gears.c from mesa/demos
Add public domain gears.c from mesa/demos

git://anongit.freedesktop.org/mesa/demos

0eb5bef639c0d792ef3595f38feaa023417216f9

src/demos/gears.c

Signed-off-by: Jordan Justen <ab3d56373f2461770fa8feb620844a5acfe35e29@gmail.com>

gears3d/gears3d,gears3d/gears3d