Wave offset broken for Python3 port

[MerlijnWajer]

@JoeLametta - I needed this patch for the offset writing to work. Please verify with --offset-correction=6 (or another number, of course)

Maybe we'd need a test for it, too. :p

From: Merlijn Wajer <merlijn@wizzup.org>
Date: Sun, 14 Jul 2019 01:44:01 +0200
Subject: [PATCH] wavoffsetwriter: port to python3

---
 mktoc/wav.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mktoc/wav.py b/mktoc/wav.py
index b345536..d27617d 100644
--- a/mktoc/wav.py
+++ b/mktoc/wav.py
@@ -341,12 +341,12 @@ class WavOffsetWriter(object):
          self._write_frames(wav_out, data ,bytes_p_samp)
          wav_in.close()
       else:    # insert silence if no previous file
-         self._write_frames(wav_out ,'\x00'*offset_bytes, bytes_p_samp)
+         self._write_frames(wav_out ,b'\x00'*offset_bytes, bytes_p_samp)
       # add original file data to output stream
       wav_in = wave.open( fn )
       samples = wav_in.getnframes() - self._offset
       while samples:
-         data = wav_in.readframes( min(samples,self._COPY_SIZE) )
+         data = wav_in.readframes( int(min(samples,self._COPY_SIZE)) )
          samples -= len(data) / bytes_p_samp
          self._write_frames(wav_out, data, bytes_p_samp)
       wav_in.close()
-- 
2.17.1

[MerlijnWajer]

Bump. cc @JoeLametta