fix stdweb

Author: newpavlov

src/wasm32_stdweb.rs

@@ -7,16 +7,13 @@
 // except according to those terms.
 
 //! Implementation for WASM via stdweb
-
-use std::cell::RefCell;
-use std::mem;
 use std::num::NonZeroU32;
+use std::sync::atomic::{AtomicUsize, Ordering};
 
 use stdweb::unstable::TryInto;
 use stdweb::web::error::Error as WebError;
 
 use Error;
-use utils::use_init;
 
 // replace with AtomicU8 on stabilization and MSRV bump
 static RNG_STATE: AtomicUsize = AtomicUsize::new(0);
@@ -35,7 +32,7 @@ pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
                 STATE_INIT_DONE | STATE_USE_BROWSER
             } else {
                 STATE_INIT_DONE
-            }
+            },
             Ordering::Acquire,
         );
         use_browser