main/iputils: clarify license

main/iputils/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=iputils
 pkgver=20190709
-pkgrel=0
+pkgrel=1
 pkgdesc="IP Configuration Utilities (and Ping)"
 url="https://github.com/iputils/iputils/"
 arch="all"
-license="BSD-3-Clause GPL-2.0-or-later"
+# openssl is only used in 'ninfod' and 'ping' which are BSD-3-Clause
+license="BSD-3-Clause AND GPL-2.0-or-later AND MIT"
 makedepends="libcap-dev openssl-dev meson"
 replaces="bbsuid"
 source="https://github.com/iputils/iputils/archive/s$pkgver.tar.gz