Fixing released version badge...

README.md

@@ -1,7 +1,7 @@
 rust-rocksdb
 ============
 [![Build Status](https://travis-ci.org/rust-rocksdb/rust-rocksdb.svg?branch=master)](https://travis-ci.org/rust-rocksdb/rust-rocksdb)
-[![crates.io](https://meritbadge.herokuapp.com/rocksdb)](https://crates.io/crates/rocksdb)
+[![crates.io](https://img.shields.io/crates/v/rocksdb.svg)](https://crates.io/crates/rocksdb)
 [![documentation](https://docs.rs/rocksdb/badge.svg)](https://docs.rs/rocksdb)
 [![license](https://img.shields.io/crates/l/rocksdb.svg)](https://github.com/rust-rocksdb/rust-rocksdb/blob/master/LICENSE)
 [![Gitter chat](https://badges.gitter.im/rust-rocksdb/gitter.png)](https://gitter.im/rust-rocksdb/lobby)