Update to Rust edition 2018

This patch updates the crate to use Rust edition 2018.  It also changes
the use statement for the ffi module to the new crate:: syntax.

2 files changed, 2 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 2486b77..5cc844b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "nitrokey-sys"
 version = "3.4.1"
 authors = ["Robin Krahl <robin.krahl@ireas.org>"]
+edition = "2018"
 homepage = "https://code.ireas.org/nitrokey-rs/"
 repository = "https://git.ireas.org/nitrokey-sys-rs/"
 description = "Low-level bindings to libnitrokey for communication with Nitrokey devices"
diff --git a/src/lib.rs b/src/lib.rs
index 169dac4..a179da8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,7 @@
 
 mod ffi;
 
-pub use ffi::*;
+pub use crate::ffi::*;
 
 #[cfg(test)]
 mod tests {