Replace most 'extern crate' directives with 'use'.

  - See #480.

2 files changed, 6 insertions, 8 deletions

diff --git a/ffi-macros/src/lib.rs b/ffi-macros/src/lib.rs
index db37daef..6a3d2386 100644
--- a/ffi-macros/src/lib.rs
+++ b/ffi-macros/src/lib.rs
@@ -5,15 +5,13 @@
 use std::collections::HashMap;
 use std::io::Write;
 
-extern crate lazy_static;
 use lazy_static::lazy_static;
-extern crate syn;
+use syn;
 use syn::parse_quote;
 use syn::spanned::Spanned;
-extern crate quote;
-extern crate proc_macro;
-extern crate proc_macro2;
-extern crate sha2;
+use proc_macro;
+use proc_macro2;
+use sha2;
 
 use proc_macro::TokenStream;
 use proc_macro2::TokenStream as TokenStream2;
diff --git a/ffi-macros/src/rust2c.rs b/ffi-macros/src/rust2c.rs
index 2e469703..d0e252f5 100644
--- a/ffi-macros/src/rust2c.rs
+++ b/ffi-macros/src/rust2c.rs
@@ -1,6 +1,6 @@
-extern crate syn;
+use syn;
 use syn::export::ToTokens;
-extern crate proc_macro2;
+use proc_macro2;
 
 const PREFIX: &'static str = "pgp_";