[TREE] finish move of updater

2016-01-01 20:41:20 -08:00
parent 4adc4cf0b9
commit d4677b6561
14 changed files with 358 additions and 343 deletions
--- a/include/xgboost/tree_updater.h
+++ b/include/xgboost/tree_updater.h
@@ -11,6 +11,7 @@
 #include <dmlc/registry.h>
 #include <vector>
 #include <utility>
+#include <string>
 #include "./base.h"
 #include "./data.h"
 #include "./tree_model.h"