Staging: memrar: memrar_handler.c: Fixed whitespace and tab warnings

Fixed several witespace and tab related warnings and errors reported by the
chechpatch.pl tool.

Signed-off-by: Matti Lammi <mattij.lammi@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>