staging: wilc1000: mode_11i can be static

Signed-off-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -257,7 +257,7 @@ static u8 del_beacon;
 
 static u8 *join_req;
 u8 *info_element;
-u8 mode_11i;
+static u8 mode_11i;
 u8 gu8FlushedAuthType;
 u32 gu32FlushedJoinReqSize;
 u32 gu32FlushedInfoElemAsocSize;