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

[vpp.git] / src / vnet / cdp / cdp_node.h

diff --git a/src/vnet/cdp/cdp_node.h b/src/vnet/cdp/cdp_node.h
index 7028ddc..21086c0 100644 (file)
--- a/src/vnet/cdp/cdp_node.h
+++ b/src/vnet/cdp/cdp_node.h
@@ -95,7 +95,7 @@ typedef struct
   vnet_main_t *vnet_main;
 } cdp_main_t;
 
-cdp_main_t cdp_main;
+extern cdp_main_t cdp_main;
 
 /* Packet counters */
 #define foreach_cdp_error                                       \