This fixes:
* CVE-2026-6042: Algorithmic Complexity DoS in musl libc iconv
* CVE-2026-40200: musl libc: stack corruption in qsort with sufficiently large inputs
Link: https://github.com/openwrt/openwrt/pull/23329
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>