[sillan] - Fixed wrong case of copying header files during install
[sillan] - Fixed wrong case of copying header files during install

DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf