Staging: wlags49_h2: Fix incorrect type in assignment in wl_wext.c

This patch fixes following sparse warnings:
drivers/staging/wlags49_h2/wl_wext.c:3357:28: warning: incorrect type in assignment (different address spaces)
drivers/staging/wlags49_h2/wl_wext.c:3357:28:    expected void [noderef] <asn:1>*[addressable] [assigned] pointer
drivers/staging/wlags49_h2/wl_wext.c:3357:28:    got void *<noident>
drivers/staging/wlags49_h2/wl_wext.c:3422:47: warning: incorrect type in assignment (different address spaces)
drivers/staging/wlags49_h2/wl_wext.c:3422:47:    expected void [noderef] <asn:1>*[addressable] [assigned] pointer
drivers/staging/wlags49_h2/wl_wext.c:3422:47:    got char *[usertype] <noident>
drivers/staging/wlags49_h2/wl_wext.c:3781:21: warning: symbol 'wl_priv_args' was not declared. Should it be static?
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlags49_h2/wl_wext.c

@@ -3354,7 +3354,7 @@ void wl_wext_event_essid( struct net_device *dev )
 	   the call to wireless_send_event() must also point to where the ESSID
 	   lives */
 	wrqu.essid.length  = strlen( lp->NetworkName );
-	wrqu.essid.pointer = (caddr_t)lp->NetworkName;
+	wrqu.essid.pointer = (void __user *)lp->NetworkName;
 	wrqu.essid.flags   = 1;
 
 	wireless_send_event( dev, SIOCSIWESSID, &wrqu, lp->NetworkName );
@@ -3419,7 +3419,7 @@ void wl_wext_event_encode( struct net_device *dev )
 
 		/* Only provide the key if permissions allow */
 		if( capable( CAP_NET_ADMIN )) {
-			wrqu.encoding.pointer = (caddr_t)lp->DefaultKeys.key[index].key;
+			wrqu.encoding.pointer = (void __user *)lp->DefaultKeys.key[index].key;
 			wrqu.encoding.length  = lp->DefaultKeys.key[index].len;
 		} else {
 			wrqu.encoding.flags |= IW_ENCODE_NOKEY;