build: basic autoconfization

1 files changed, 1 insertions, 1 deletions

diff --git a/service.h b/service.h
index c8e41ba264..fef100bad9 100644
--- a/service.h
+++ b/service.h
@@ -102,7 +102,7 @@ struct Service {
         RateLimit ratelimit;
 };
 
-const UnitVTable service_vtable;
+extern const UnitVTable service_vtable;
 
 const char* service_state_to_string(ServiceState i);
 ServiceState service_state_from_string(const char *s);