staging: wilc1000: wilc_wfi_netdevice.c: remove prohibited space before semicolon

Fix checkpatch warning found by checkpatch.pl
WARNING: space prohibited before semicolon
Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_netdevice.c

@@ -31,7 +31,7 @@ module_param(timeout, int, 0);
 /*
  * Do we run in NAPI mode?
  */
-static int use_napi ;
+static int use_napi;
 module_param(use_napi, int, 0);