struts-extras扩展及045-046修复代码
代码说明：
# The Apache Struts Extras[](http://www.apache.org/licenses/LICENSE-2.0.html)This a subproject of the [Apache Struts](http://struts.apache.org/) project which provides different plugins,mostly focused on fixing (if possibe) vulnerabilities in older versions of the framework.## List of plugins- [Apache Struts 2 Secure Jakarta Multipart parser plugin](struts2-secure-jakarta-multipart-parser-plugin/README.md)- [Apache Struts 2 Secure Jakarta Stream Multipart parser plugin](struts2-secure-jakarta-stream-multipart-parser-plugin/README.md)## LicenseRelease under Apache License 2.0
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