Update example: Restart server instead of abort

You don't want to restart sample server everytime it aborts :)

Author: simnalamburt

examples/server.rs

@@ -20,10 +20,11 @@ use tokio_rustls::server::TlsStream;
 use tokio_rustls::TlsAcceptor;
 
 fn main() {
-    // Serve an echo service over HTTPS, with proper error handling.
-    if let Err(e) = run_server() {
-        eprintln!("FAILED: {}", e);
-        std::process::exit(1);
+    loop {
+        // Serve an echo service over HTTPS, with proper error handling.
+        if let Err(e) = run_server() {
+            eprintln!("FAILED: {}", e);
+        }
     }
 }