arlan: Fix gcc warning.

With CONFIG_PROC_FS=n, gcc complains:
drivers/net/wireless/arlan-main.c:1858: warning: statement with no effect

Signed-off-by: Randy Dunlap <rddunlap@osdl.org>

diffstat:=
  drivers/net/wireless/arlan.h |    2 +-
  1 files changed, 1 insertion(+), 1 deletion(-)