travis-ci: record and skip successfully built trees

diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 0b2ecf41aeda427e75eb7fe36388e7d0d91d5413..40ccfc193bf785cfae0f83526c561eedf0d310bc 100644 (file)
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "config.h"
 #include "refs.h"
 #include "builtin.h"
 #include "parse-options.h"