VOL-669: code reorg

Change-Id: I097564bc3b02db13080e59634e542f16ea7741b6
diff --git a/src/main.cc b/src/main.cc
index 3f8fba4..7d02bbc 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -18,6 +18,7 @@
 
 #include "indications.h"
 #include "server.h"
+#include "core.h"
 
 extern "C"
 {