upstream: removed unnecessary argument in flb_connection_init
@@ -520,8 +520,7 @@ static struct flb_connection *create_conn(struct flb_upstream *u)
FLB_UPSTREAM_CONNECTION,
(void *) u,
flb_engine_evl_get(),
- flb_coro_get(),
- (void *) conn);
+ flb_coro_get());
conn->busy_flag = FLB_TRUE;
