without this import this class wouldn't have resolved.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@6319 71c3de6d-444a-0410-be80-ed276b4c234a

war/resources/WEB-INF/security/HudsonPrivateSecurityRealm.groovy

@@ -3,6 +3,7 @@
 */
 import org.acegisecurity.providers.ProviderManager
 import hudson.security.HudsonPrivateSecurityRealm.HudsonUserDetailsService
+import org.acegisecurity.providers.dao.DaoAuthenticationProvider
 
 
 authenticationManager(ProviderManager) {