lib: fix off-by-one indentation

In preparation for more robust indentation linting, fix an off-by-one
indentation in lib/http_server.js.

PR-URL: #14064
Reviewed-By: Tobias Nießen <[email protected]>
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Vse Mozhet Byt <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Franziska Hinkelmann <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>

lib/_http_server.js

@@ -187,7 +187,7 @@ function writeHead(statusCode, reason, obj) {
   statusCode |= 0;
   if (statusCode < 100 || statusCode > 999) {
     throw new errors.RangeError('ERR_HTTP_INVALID_STATUS_CODE',
-                                 originalStatusCode);
+                                originalStatusCode);
   }