[host_config] fix typo

machines/durruti/host_config.nix

@@ -85,7 +85,7 @@ in
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header Authorization $http_authorization;
-           proxy_pass_header Authorization
+           proxy_pass_header Authorization;
         '';
       };
     };