fix minor string handling minibugs

whipper/command/cd.py

@@ -474,7 +474,7 @@ Log files will log the path to tracks relative to this directory.
         for i, track in enumerate(self.itable.tracks):
             # FIXME: rip data tracks differently
             if not track.audio:
-                print('skipping data track %d, not implemented' % i + 1)
+                print 'skipping data track %d, not implemented' % (i + 1)
                 # FIXME: make it work for now
                 track.indexes[1].relative = 0
                 continue

whipper/common/program.py

@@ -590,7 +590,7 @@ class Program:
     def write_m3u(self, discname):
         m3uPath = u'%s.m3u' % discname
         with open(m3uPath, 'w') as f:
-            f.write(u'#EXTM3U\n')
+            f.write(u'#EXTM3U\n'.encode('utf-8'))
             for track in self.result.tracks:
                 if not track.filename:
                     # false positive htoa