supernova: sized array - assert boundaries

Signed-off-by: Tim Blechmann <tim@klingt.org>
supernova: sndfile backend - correctly use correct blocksize for temp buffer

Signed-off-by: Tim Blechmann <tim@klingt.org>
supernova: jack backend - avoid uninitialized value

Signed-off-by: Tim Blechmann <tim@klingt.org>
supernova: nrt engine - nicer formatting of message log

Signed-off-by: Tim Blechmann <tim@klingt.org>