When parsing allowed authentication methods for the native ssh lib
transports we used strsep. Since we have virStringSplit helper let's use
that one.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>