travis-ci: record and skip successfully built trees

diff --git a/builtin/write-tree.c b/builtin/write-tree.c
index 084c0df7833f29c7554a4ffe95dac4bda1c6ce66..bd0a78aa3c56b7e817c7ddf6fcaba703d6d5fecc 100644 (file)
--- a/builtin/write-tree.c
+++ b/builtin/write-tree.c
@@ -5,6 +5,7 @@
  */
 #include "builtin.h"
 #include "cache.h"
+#include "config.h"
 #include "tree.h"
 #include "cache-tree.h"
 #include "parse-options.h"