On systems that are derived from other distributions, the ID_LIKE
value can be used to show compatibility between distributions.
This change to the script allows parsing of this value if the main
ID value isn't handled directly.
Fixes#16022
Change-Id: I038d0964efb696a679408d2e32541684af286427
Signed-off-by: Tim Walters <tim@tailscale.com>