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

[vpp.git] / src / vnet / ipsec / esp.h

diff --git a/src/vnet/ipsec/esp.h b/src/vnet/ipsec/esp.h
index 98db701..bc67f9d 100644 (file)
--- a/src/vnet/ipsec/esp.h
+++ b/src/vnet/ipsec/esp.h
@@ -80,7 +80,7 @@ typedef struct
   esp_main_per_thread_data_t *per_thread_data;
 } esp_main_t;
 
-esp_main_t esp_main;
+extern esp_main_t esp_main;
 
 #define ESP_WINDOW_SIZE                (64)
 #define ESP_SEQ_MAX            (4294967295UL)