Add extern to *_main global variable declarations in header files.

[vpp.git] / src / vnet / l2tp / l2tp.h

diff --git a/src/vnet/l2tp/l2tp.h b/src/vnet/l2tp/l2tp.h
index e7d2892..a91f00c 100644 (file)
--- a/src/vnet/l2tp/l2tp.h
+++ b/src/vnet/l2tp/l2tp.h
@@ -91,7 +91,7 @@ typedef struct
   ip6_address_t client_address;
 } l2t_trace_t;
 
-l2t_main_t l2t_main;
+extern l2t_main_t l2t_main;
 extern vlib_node_registration_t l2t_encap_node;
 extern vlib_node_registration_t l2t_decap_node;
 extern vlib_node_registration_t l2t_decap_local_node;