null: make *impl_ private

[fio.git] / engines / null.c

diff --git a/engines/null.c b/engines/null.c
index 47f290548ceafb39763b9bfd5cf08a29aa7f2e06..cf1ee1f2e433cd92836725d991c849e70769a991 100644 (file)
--- a/engines/null.c
+++ b/engines/null.c
@@ -213,6 +213,7 @@ struct NullData {
                return null_open(impl_, f);
        }
 
+private:
        struct null_data *impl_;
 };