[DEV] fix GET/LIST return code
[DEV] fix GET/LIST return code

Change-Id: Ifafee6528229ce766a0f925aafff5a1e7e14260a
Reviewed-on: https://gerrit.parrot.biz/38562
Reviewed-by: Nicolas Brulez <c7b4d7ddc34318e865922d5ddc9ce680dfb1b14c@parrot.com>

Parrot-Developers/libARUtils,Parrot-Developers/libARUtils,Parrot-Developers/libARUtils