Staging: lustre: fix return is not a function, parentheses are not required in lo.c

fix checkpatch.pl issues with return is not a function,
parentheses are not required in lo.c
Signed-off-by: NEbru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: NJosh Triplett <josh@joshtriplett.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lnet/lnet/lo.c

@@ -102,7 +102,7 @@ lolnd_startup(lnet_ni_t *ni)
 	LASSERT(!lolnd_instanced);
 	lolnd_instanced = 1;
 
-	return (0);
+	return 0;
 }
 
 lnd_t the_lolnd = {