Fix api application authname generation fixing

Found with findbugs

code/moya-beans/ejbModule/fi/codecrew/moya/beans/ApiApplicationBean.java

@@ -88,7 +88,7 @@ public class ApiApplicationBean implements ApiApplicationBeanLocal {
 
 
 		String authname = permissionBean.getCurrentUser().getLogin() + "_" + application.getName() + "_" + currevent.getId() + "_" + currevent.getName();
 		String authname = permissionBean.getCurrentUser().getLogin() + "_" + application.getName() + "_" + currevent.getId() + "_" + currevent.getName();
 		// Replace all non-valid characters with '_'
 		// Replace all non-valid characters with '_'
-		authname.replaceAll("[^a-zA-Z0-9._]", "_");
+		authname = authname.replaceAll("[^a-zA-Z0-9._]", "_");
 
 
 		// Ensure authname is unique;
 		// Ensure authname is unique;
 		final String origAuthname = authname;
 		final String origAuthname = authname;