fix typo

src/main.rs

@@ -111,7 +111,7 @@ impl server::Handler for Handler {
     }
 
     fn auth_password(mut self, user: &str, password: &str) -> Self::FutureAuth {
-        writeln!(self.file, "Authenticaed as {} with {}\n", user, password)
+        writeln!(self.file, "Authenticated as {} with {}\n", user, password)
             .unwrap();
         self.user = user.into();
         self.finished_auth(server::Auth::Accept)