MUSL and eglibc provide these symbols.
Bind needs setresuid() to build properly in recent versions.
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
Link: https://github.com/openwrt/openwrt/pull/15952
(cherry picked from commit 0bd129a5d3b298340e1f6351942a8ccc2ba6eaea)
Link: https://github.com/openwrt/openwrt/pull/16390
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>