Fix distro detection on latest opensuse leap release (#3368)
Fix distro detection on latest opensuse leap release (#3368)

on opensuse-leap 15.0, the value of distro.id() is reported
as "opensuse-leap", which breaks previous detection relying on
the string exactly equal to "opensuse". The zypper detection
now works for opensuse leap, SLES and opensuse-tumbleweed
luckielordie/conan,conan-io/conan,memsharded/conan,conan-io/conan,memsharded/conan,luckielordie/conan,birsoyo/conan,birsoyo/conan,memsharded/conan,conan-io/conan,memsharded/conan