Use a simple lib name for lmdb-rkv-sys, mirroring what lmdb-rkv does

Signed-off-by: Victor Porof <victor.porof@gmail.com>

benches/cursor.rs

@@ -1,7 +1,7 @@
 #![feature(test)]
 
 extern crate lmdb;
-extern crate lmdb_rkv_sys as ffi;
+extern crate lmdb_sys as ffi;
 extern crate test;
 
 mod utils;

benches/transaction.rs

@@ -2,7 +2,7 @@
 
 extern crate libc;
 extern crate lmdb;
-extern crate lmdb_rkv_sys as ffi;
+extern crate lmdb_sys as ffi;
 extern crate rand;
 extern crate test;
 

lmdb-sys/Cargo.toml

@@ -17,6 +17,9 @@ categories = ["database", "external-ffi-bindings"]
 # like `cargo-script` instead.
 build = "build.rs"
 
+[lib]
+name = "lmdb_sys"
+
 [dependencies]
 libc = "0.2.62"
 

lmdb-sys/tests/lmdb.rs

@@ -1,4 +1,4 @@
-extern crate lmdb_rkv_sys;
+extern crate lmdb_sys;
 
 use std::env;
 use std::path::PathBuf;

lmdb-sys/tests/simple.rs

@@ -1,6 +1,6 @@
-extern crate lmdb_rkv_sys;
+extern crate lmdb_sys;
 
-use lmdb_rkv_sys::*;
+use lmdb_sys::*;
 
 use std::ffi::{c_void, CString};
 use std::ptr;

src/lib.rs

@@ -6,7 +6,7 @@
 
 extern crate byteorder;
 extern crate libc;
-extern crate lmdb_rkv_sys as ffi;
+extern crate lmdb_sys as ffi;
 
 #[cfg(test)]
 extern crate tempdir;