Action in jar is not be scanned

buildUrlSet function of PackageBasedActionConfigBuilder class don't scan jar file when "struts.convention.action.includeJars" is seted.

PackageBasedActionConfigBuilder.java

line 416: urlSet.include(new UrlSet(classLoaderInterface, this.fileProtocols));
must be: urlSet = urlSet.include(new UrlSet(classLoaderInterface, this.fileProtocols));