Changed abs() to fabs() so it would build in linux
Changed abs() to fabs() so it would build in linux

gaziel/heekscnc,gaziel/heekscnc,tbinias/heekscnc,tbinias/heekscnc,gaziel/heekscnc,tbinias/heekscnc,tbinias/heekscnc,gaziel/heekscnc