libsemanage: free genhomedircon fallback user

Function semanage_genhomedircon() adds fallback user and function
setup_fallback_user() may add another one. But only one fallback
user is freed. Make sure to free all fallback users in
semanage_genhomedircon().

Signed-off-by: Jan Zarsky <jzarsky@redhat.com>
1 file changed