[DEVMINOR] Fix JNI warnings
[DEVMINOR] Fix JNI warnings

Change-Id: If2120133fe030ef7fbf511affa7a42213ea5b52b
Reviewed-on: https://gerrit.parrot.biz/53419
Reviewed-by: Jean-Baptiste Dubois <3904e157e51b6776698fd1c0b3e878d58932a523@parrot.com>

Parrot-Developers/libARDataTransfer,Parrot-Developers/libARDataTransfer,Parrot-Developers/libARDataTransfer