Fix incorrect source in 16.1

In the book, I should get a compilation error, but the source now passes compilation. modifies the source as in the book.
rust-lang · Dec 2, 2023 · 5b57dd6 · 5b57dd6
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diff --git a/listings/ch16-fearless-concurrency/listing-16-05/src/main.rs b/listings/ch16-fearless-concurrency/listing-16-05/src/main.rs
@@ -3,9 +3,11 @@ use std::thread;
 fn main() {
     let v = vec![1, 2, 3];
 
-    let handle = thread::spawn(move || {
+    let handle = thread::spawn(|| {
         println!("Here's a vector: {:?}", v);
     });
 
+    drop(v); // oh no!
+
     handle.join().unwrap();
-}
+}
diff --git a/nostarch/chapter16.md b/nostarch/chapter16.md
@@ -389,10 +389,12 @@ use std::thread;
 fn main() {
     let v = vec![1, 2, 3];
 
-    let handle = thread::spawn(move || {
+    let handle = thread::spawn(|| {
         println!("Here's a vector: {:?}", v);
     });
 
+    drop(v); // oh no!
+
     handle.join().unwrap();
 }
 ```