[Fuze+][Manual] Fix compilation broken on oscilloscope

thanks to pixelma for having pointed this out and
correcting the first patch

Change-Id: I79f6264a5290906b0d7abd1703df79fde104cb4a
Reviewed-on: http://gerrit.rockbox.org/405
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>
1 file changed