Staging: arlan: fixed unnecessary whitespace style issue in arlan-main.c

This is a patch to the arlan-main.c file that fixes the unnecessary whitespace
issues found by the checkpatch.pl tool.

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>