[PATCH] Fix token ring compile]

Since we EXPORT_SYMBOL(tr_source_route) in net/netsyms.c and it needs a
prototype, move it into include/linux/trdevice.h

include/linux/trdevice.h

@@ -33,6 +33,7 @@ extern int		tr_header(struct sk_buff *skb, struct net_device *dev,
 				   void *saddr, unsigned len);
 extern int		tr_rebuild_header(struct sk_buff *skb);
 extern unsigned short	tr_type_trans(struct sk_buff *skb, struct net_device *dev);
+extern void tr_source_route(struct sk_buff *skb, struct trh_hdr *trh, struct net_device *dev);
 extern struct net_device *init_trdev(struct net_device *dev, int sizeof_priv);
 extern struct net_device *alloc_trdev(int sizeof_priv);
 extern int register_trdev(struct net_device *dev);

net/802/tr.c

@@ -36,7 +36,6 @@
 #include <linux/init.h>
 #include <net/arp.h>
 
-static void tr_source_route(struct sk_buff *skb, struct trh_hdr *trh, struct net_device *dev);
 static void tr_add_rif_info(struct trh_hdr *trh, struct net_device *dev);
 static void rif_check_expire(unsigned long dummy);
 
@@ -230,7 +229,7 @@ unsigned short tr_type_trans(struct sk_buff *skb, struct net_device *dev)
  *	We try to do source routing... 
  */
 
-static void tr_source_route(struct sk_buff *skb,struct trh_hdr *trh,struct net_device *dev) 
+void tr_source_route(struct sk_buff *skb,struct trh_hdr *trh,struct net_device *dev) 
 {
 	int i, slack;
 	unsigned int hash;