libarchive: add upstream security patches

libarchive: add upstream security patches

Add patches for the following security issues:

CVE-2017-14501 - An out-of-bounds read flaw exists in parse_file_info in
archive_read_support_format_iso9660.c when extracting a specially
crafted iso9660 iso file.

CVE-2017-14502 - Off-by-one error for UTF-16 names in RAR archives,
leading to an out-of-bounds read in archive_read_format_rar_read_header.

CVE-2017-14503 - Out-of-bounds read within lha_read_data_none() in
archive_read_support_format_lha.c when extracting a specially crafted
lha archive.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>