staging: wilc1000: allocate less memory

We should be allocating space for hidden_network_info structs.  They are
slightly smaller than hidden_network structs.  This bug doesn't cause a
runtime issue beyond the very small ammount of extra memory used.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_cfgoperations.c

@@ -581,8 +581,8 @@ wilc_wfi_cfg_alloc_fill_ssid(struct cfg80211_scan_request *request,
 	int i;
 	int slot_id = 0;
 
-	ntwk->net_info = kcalloc(request->n_ssids,
-				 sizeof(struct hidden_network), GFP_KERNEL);
+	ntwk->net_info = kcalloc(request->n_ssids, sizeof(*ntwk->net_info),
+				 GFP_KERNEL);
 	if (!ntwk->net_info)
 		goto out;