staging: wlags49_h2: Declare support for WEXT 21

WEXT changes between versions 15 and 21 have been taken care of,
so update the declared support.
Signed-off-by: NDavid Kilroy <kilroyd@googlemail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/wlags49_h2/wl_version.h

@@ -143,7 +143,8 @@ err: define bus type;
 							" for " BUS_TYPE ", " 											   	 \
 							MODULE_DATE " by " VENDOR_NAME
 
-#define WIRELESS_SUPPORT    15  // The version of wireless extensions we support
+/* The version of wireless extensions we support */
+#define WIRELESS_SUPPORT    21
 
 //#define DBG_MOD_NAME         DRIVER_NAME ":" BUS_TYPE ":" HW_TYPE ":" FW_TYPE
 #define DBG_MOD_NAME        MODULE_NAME