Corrected cut and paste error when parsing jdbc-user-service within AuthenticationProvider BDP.

core/src/main/java/org/springframework/security/config/AuthenticationProviderBeanDefinitionParser.java

@@ -58,7 +58,7 @@ class AuthenticationProviderBeanDefinitionParser implements BeanDefinitionParser
         if (userServiceElt != null) {
             userDetailsService = new UserServiceBeanDefinitionParser().parse(userServiceElt, parserContext);
         } else if (jdbcUserServiceElt != null) {
-            userDetailsService = new UserServiceBeanDefinitionParser().parse(userServiceElt, parserContext);
+            userDetailsService = new JdbcUserServiceBeanDefinitionParser().parse(jdbcUserServiceElt, parserContext);
         } else {
             throw new SecurityConfigurationException(Elements.AUTHENTICATION_PROVIDER
                     + " requires a UserDetailsService" );