CLSA-2026-1778493745 opensc: Fix of 5 CVEs

CVE-2024-45615: initialize uninitialized variables passed as arguments - CVE-2024-45616: fix insufficient control of APDU response buffer length - CVE-2024-45617: check return values to avoid uninitialized variable use - CVE-2024-45618: check return values in pkcs15-init to avoid uninitialized...