jna 4.1.0 is available

[based2]

http://mvnrepository.com/artifact/net.java.dev.jna/jna

https://github.com/twall/jna/blob/6533f85d9dae35e988ab86bff1636d34970548b0/CHANGES.md

[hansgru]

+1
Please update this project to use the the newer JNA. It has support for many more native platforms than the version you are using (e.g. AIX).