odhcpd: update to Git HEAD (2025-11-27)

odhcpd: update to Git HEAD (2025-11-27)

4246bbda56d6 dhcpv4: improve pool var naming
407789e5f307 odhcpd: rename union if_addr -> in46_addr
66e7739f7c86 odhcpd: rename prefix -> prefix_len
75dfe0e71050 odhcpd: rename iface->addr4 -> iface->oaddrs4
d619b5ae28a4 dhcpv4: fix no_dynamic_dhcp
e8022eebc8a7 netlink: variable naming cleanup
fca3fee38ea4 netlink: add netmask for IPv4
1c2e8b60809a dhcpv4: simplify pool determination
558fb499c8c2 dhcpv4: rename iface->dhcpv4_local -> iface->dhcpv4_own_ip
ab8b1572247d dhcpv4: remove iface->dhcpv4_mask
af0c94063e66 dhcpv4: remove iface->dhcpv4_bcast
83055f636091 odhcpd: consistent dns naming
0a54ce0d2b57 odhcpd: rename iface->search -> iface->dns_search
a05cc991716c dhcpv4: iface->dhcpv4_router -> iface->dhcpv4_routers
b4ab371c541a config: fix (S)NTP realloc handling
adb2b8a1afff config: fix realloc() handling for the "upstream" option
38b0920e376b config: fix realloc() error handling for "dhcpv6_raw" option
2e1042c6c07f config: handle realloc failure in piofolder parsing
b9db4d7061a0 dhcpv6: handle realloc failure
ae9e22ab3fad netlink: make it clearer that we're handling realloc correctly
d21e504b38ab dhcpv6-ia: fix realloc bug

https://github.com/openwrt/odhcpd/compare/650a5df88eba...d21e504b38ab

Signed-off-by: Goetz Goerisch <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20958
Signed-off-by: Álvaro Fernández Rojas <[email protected]>