fix broken informational log message that reports SMTP user. closes #532

lib/browserid/email.js

@@ -48,10 +48,11 @@ if (smtp_params && smtp_params.host) {
   emailer.SMTP = { host: smtp_params.host };
   logger.info("delivering email via SMTP host: " +  emailer.SMTP.host);
   if (smtp_params.user) {
-    logger.info("authenticating to email host as" +  emailer.SMTP.user);
     emailer.SMTP.use_authentication = true;
     emailer.SMTP.user = smtp_params.user;
     emailer.SMTP.pass = smtp_params.pass;
+
+    logger.info("authenticating to email host as " +  emailer.SMTP.user);
   }
 }