fix compile under rtools

2014-08-26 09:09:28 -07:00
parent 5f6d5d19b8
commit b1bffde6c9
3 changed files with 9 additions and 5 deletions
--- a/R-package/src/xgboost_R.cpp
+++ b/R-package/src/xgboost_R.cpp
@@ -213,7 +213,7 @@ extern "C" {
                                          &olen);
    FILE *fo = utils::FopenCheck(CHAR(asChar(fname)), "w");
    for (size_t i = 0; i < olen; ++i) {
-      fprintf(fo, "booster[%lu]:\n", i);
+      fprintf(fo, "booster[%u]:\n", static_cast<unsigned>(i));
      fprintf(fo, "%s", res[i]);
    }
    fclose(fo);