fix: re-export WithContext in the same place

Author: scottgerring

opentelemetry/src/context.rs

@@ -23,6 +23,7 @@ use std::sync::Arc;
 mod future_ext;
 
 pub use future_ext::FutureExt;
+pub use future_ext::WithContext;
 
 thread_local! {
     static CURRENT_CONTEXT: RefCell<ContextStack> = RefCell::new(ContextStack::default());

opentelemetry/src/trace/context.rs

@@ -8,6 +8,7 @@ use std::{borrow::Cow, error::Error, sync::Mutex};
 
 // Re-export for compatability. This used to be contained here.
 pub use crate::context::FutureExt;
+pub use crate::context::WithContext;
 
 const NOOP_SPAN: SynchronizedSpan = SynchronizedSpan {
     span_context: SpanContext::NONE,