Update sqlite3-sys

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sqlite"
-version = "0.34.0"
+version = "0.35.0"
 edition = "2021"
 license = "Apache-2.0 OR MIT"
 authors = [
@@ -35,11 +35,8 @@ bundled = ["sqlite3-sys/bundled"]
 extension = []
 linkage = ["sqlite3-sys/linkage"]
 
-[dependencies]
-libc = "0.2"
-
 [dependencies.sqlite3-sys]
-version = "0.16"
+version = "0.17"
 default-features = false
 
 [dev-dependencies]

src/connection.rs

@@ -1,9 +1,8 @@
+use core::ffi::{c_char, c_int, c_void};
 use std::marker::PhantomData;
 use std::ops::{Deref, DerefMut};
 use std::path::Path;
 
-use libc::{c_char, c_int, c_void};
-
 use crate::error::Result;
 use crate::statement::Statement;
 

src/statement.rs

@@ -1,16 +1,15 @@
+use core::ffi::{c_double, c_int};
 use std::collections::HashMap;
 use std::marker::PhantomData;
 use std::rc::Rc;
 
-use libc::{c_double, c_int};
-
 use crate::cursor::{Cursor, CursorWithOwnership, Row};
 use crate::error::Result;
 use crate::value::{Type, Value};
 
 // https://sqlite.org/c3ref/c_static.html
 macro_rules! transient(
-    () => (std::mem::transmute(!0 as *const libc::c_void));
+    () => (std::mem::transmute(!0 as *const core::ffi::c_void));
 );
 
 /// A prepared statement.