[dufourd] remove var on global vars so that they are not gc-ed
[dufourd] remove var on global vars so that they are not gc-ed
DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf