staging: wilc1000: remove static variable 'del_beacon' and null check

Using local variable instead of static varible 'del_beacon'. Also removed
the unnecessary 'if' check in handle_del_beacon().
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -246,7 +246,6 @@ static s8 rssi;
 static u8 set_ip[2][4];
 static u8 get_ip[2][4];
 static u32 inactive_time;
-static u8 del_beacon;
 static u32 clients_count;
 
 #define REAL_JOIN_REQ 0
@@ -2019,15 +2018,13 @@ static void handle_del_beacon(struct wilc_vif *vif)
 	s32 result = 0;
 	struct wid wid;
 	u8 *cur_byte;
+	u8 del_beacon = 0;
 
 	wid.id = (u16)WID_DEL_BEACON;
 	wid.type = WID_CHAR;
 	wid.size = sizeof(char);
 	wid.val = &del_beacon;
 
-	if (!wid.val)
-		return;
-
 	cur_byte = wid.val;
 
 	result = wilc_send_config_pkt(vif, SET_CFG, &wid, 1,