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

[vpp.git] / src / vnet / dhcp / client.h

diff --git a/src/vnet/dhcp/client.h b/src/vnet/dhcp/client.h
index 509d5d4..68c3d7b 100644 (file)
--- a/src/vnet/dhcp/client.h
+++ b/src/vnet/dhcp/client.h
@@ -100,7 +100,7 @@ typedef struct {
   void * event_callback;
 } dhcp_client_add_del_args_t;
 
-dhcp_client_main_t dhcp_client_main;
+extern dhcp_client_main_t dhcp_client_main;
 
 #define EVENT_DHCP_CLIENT_WAKEUP       1