mesa/bufferobj: don't double negate the range

mesa/bufferobj: don't double negate the range

This fixes a regression I introduced refactoring this code,
I managed to invert range twice, I moved the inversion into
the common code, but forgot to stop doing it in the callee.

Fixes: GL45-CTS.multi_bind.dispatch_bind_buffers_base
Fixes: 35ac13ed3 (mesa/bufferobj: consolidate some codepaths between ubo/ssbo/atomics.)
Reported-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>