CLSA-2026-1771011128 freerdp: Fix of 2 CVEs

CVE-2026-22857: fix heap use-after-free in irpthreadfunc when serialprocessirp fails - CVE-2026-23530: fix heap buffer overflow in planar bitmap decompression due to missing nSrcWidth/nSrcHeight validation...

CVE-2026-22857

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap use-after-free occurs in irpthreadfunc because the IRP is freed by irp-Complete and then accessed again on the error path. This vulnerability is fixed in 3.20.1...