lint half way

src/io/io.h

@@ -1,11 +1,13 @@
-#ifndef XGBOOST_IO_IO_H_
-#define XGBOOST_IO_IO_H_
 /*!
+ * Copyright 2014 by Contributors
  * \file io.h
  * \brief handles input data format of xgboost
  *    I/O module handles a specific DMatrix format
  * \author Tianqi Chen
  */
+#ifndef XGBOOST_IO_IO_H_
+#define XGBOOST_IO_IO_H_
+
 #include "../data.h"
 #include "../learner/dmatrix.h"
 
@@ -32,7 +34,7 @@ DataMatrix* LoadDataMatrix(const char *fname,
                            bool loadsplit,
                            const char *cache_file = NULL);
 /*!
- * \brief save DataMatrix into stream, 
+ * \brief save DataMatrix into stream,
  *  note: the saved dmatrix format may not be in exactly same as input
  *  SaveDMatrix will choose the best way to materialize the dmatrix.
  * \param dmat the dmatrix to be saved
@@ -40,7 +42,6 @@ DataMatrix* LoadDataMatrix(const char *fname,
  * \param silent whether print message during saving
  */
 void SaveDataMatrix(const DataMatrix &dmat, const char *fname, bool silent = false);
-
 }  // namespace io
 }  // namespace xgboost
 #endif  // XGBOOST_IO_IO_H_