From ca4b3b75413f934717016f22302d94d20bcadd54 Mon Sep 17 00:00:00 2001
From: Tianqi Chen <tqchen@users.noreply.github.com>
Date: Sat, 12 Jul 2014 10:14:30 -0700
Subject: [PATCH] Update xgboost_regrank.h

---
 regrank/xgboost_regrank.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/regrank/xgboost_regrank.h b/regrank/xgboost_regrank.h
index 02a6001d3..fd6800ce4 100644
--- a/regrank/xgboost_regrank.h
+++ b/regrank/xgboost_regrank.h
@@ -29,7 +29,7 @@ namespace xgboost{
             }
             /*! \brief destructor */
             ~RegRankBoostLearner(void){
-                delete obj_;
+                if( obj_ != NULL ) delete obj_;
             }
             /*!
              * \brief a regression booter associated with training and evaluating data