--- rpx.module	2009-11-30 22:08:56.000000000 -0500
+++ rpx.module	2009-11-30 21:52:17.000000000 -0500
@@ -758,7 +758,8 @@ function _rpx_providers($entire_list=fal
 /**
  * Return markup for a specific provider icon
  */
-function _rpx_provider_icon($name, $style) {
+function _rpx_provider_icon($name, $style = NULL) {
+  if (!$style) $style = 'rpx-icon';
   $providers = _rpx_providers();
   $provider = $providers[$name];
   $path = drupal_get_path('module', 'rpx');