Staging: vt6656: checkpatch: fix identifier name in wcmd.h

This is a patch to the wcmd.h file that fixes up two identifier
name warnings found by the checkpatch.pl tool at lines 54 and 56

Signed-off-by: Tobias Heineken <tobias.heineken+kernel@robotics-erlangen.de>
Signed-off-by: Florian Schleicher <florian.schleicher@fau.de>
CC: linux-kernel@i4.cs.fau.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>