Updated to compile on kernel 4.19.0+

Updated:
u16 (*)(struct net_device *, struct sk_buff *, void *)
to
u16 (*)(struct net_device *, struct sk_buff *, struct net_device *)

os_dep/linux/os_intfs.c

@@ -1010,7 +1010,9 @@ unsigned int rtw_classify8021d(struct sk_buff *skb)
 }
 
 static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0))
+			    , struct net_device *unused
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0))
 			    , void *unused
 #endif
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))