cargo fix --edition-idioms for librustzcash

librustzcash/src/rustzcash.rs

@@ -1,16 +1,16 @@
-extern crate bellman;
+
-extern crate blake2b_simd;
+
-extern crate blake2s_simd;
+
-extern crate byteorder;
+
-extern crate ff;
+
-extern crate libc;
+
-extern crate pairing;
+
-extern crate rand_core;
+
-extern crate rand_os;
+
-extern crate zcash_primitives;
+
-extern crate zcash_proofs;
+
-
+
-extern crate lazy_static;
+use lazy_static;
 
 use ff::{PrimeField, PrimeFieldRepr};
 use pairing::bls12_381::{Bls12, Fr, FrRepr};