minor update in decodeMultipartFormData() to support <input type="file" name="filename" multiple>
minor update in decodeMultipartFormData() to support <input type="file" name="filename" multiple>

LordFokas/nanohttpd,QumuloMe/nanohttpd,WilliamDo/nanohttpd,QumuloMe/nanohttpd,NanoHttpd/nanohttpd,WilliamDo/nanohttpd,LordFokas/nanohttpd,NanoHttpd/nanohttpd