Use rusqlite::ffi instead of extern crate libsqlite3_sys

src/blob.rs

@@ -14,7 +14,6 @@
 //! ## Example
 //!
 //! ```rust
-//! extern crate libsqlite3_sys;
 //! extern crate rusqlite;
 //!
 //! use rusqlite::blob::ZeroBlob;

src/functions.rs

@@ -9,7 +9,6 @@
 //! module.
 //!
 //! ```rust
-//! extern crate libsqlite3_sys;
 //! extern crate rusqlite;
 //! extern crate regex;
 //!

tests/deny_single_threaded_sqlite_config.rs

@@ -1,8 +1,7 @@
 //! Ensure we reject connections when SQLite is in single-threaded mode, as it
 //! would violate safety if multiple Rust threads tried to use connections.
 
-use libsqlite3_sys as ffi;
-
+use rusqlite::ffi;
 use rusqlite::Connection;
 
 #[test]