server::handy: fix new nightly clippy lint

ctz · ctz · commit 9f864874cff7 · 2024-04-19T14:43:16.000Z
"warning: you are explicitly cloning with `.map()`"
diff --git a/rustls/src/server/handy.rs b/rustls/src/server/handy.rs
@@ -206,7 +206,7 @@ impl ResolvesServerCertUsingSni {
 impl server::ResolvesServerCert for ResolvesServerCertUsingSni {
     fn resolve(&self, client_hello: ClientHello) -> Option<Arc<sign::CertifiedKey>> {
         if let Some(name) = client_hello.server_name() {
-            self.by_name.get(name).map(Arc::clone)
+            self.by_name.get(name).cloned()
         } else {
             // This kind of resolver requires SNI
             None
