update librocksdb-sys version to 0.2.9+8.1.1

Author: yangyazhou

Cargo.toml

@@ -36,7 +36,7 @@ serde1 = ["serde"]
 
 [dependencies]
 libc = "0.2"
-haizhi-librocksdb-sys = { path = "librocksdb-sys", version = "0.2.7" }
+haizhi-librocksdb-sys = { path = "librocksdb-sys", version = "0.2.9+8.1.1" }
 serde = { version = "1", features = [ "derive" ], optional = true }
 serde_json = "1.0.0"