Phonet: list subscribed resources via proc_fs

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/phonet/pn_dev.h b/include/net/phonet/pn_dev.h
index 2d16783..13649eb 100644
--- a/include/net/phonet/pn_dev.h
+++ b/include/net/phonet/pn_dev.h
@@ -57,5 +57,6 @@
 #define PN_NO_ADDR	0xff
 
 extern const struct file_operations pn_sock_seq_fops;
+extern const struct file_operations pn_res_seq_fops;
 
 #endif