Book polishing: Fix EPUB files with corrupted ZIP central directories…

… not working and leaving behind detritus in the current working directory. Fixes #1360385 [Debris left when polish books fails](https://bugs.launchpad.net/calibre/+bug/1360385)

src/calibre/ebooks/oeb/polish/container.py

@@ -927,7 +927,7 @@ def __init__(self, pathtoepub, log, clone_data=None, tdir=None):
                         ' more forgiving ZIP parser')
                 from calibre.utils.localunzip import extractall
                 stream.seek(0)
-                extractall(stream)
+                extractall(stream, path=tdir)
         try:
             os.remove(join(tdir, 'mimetype'))
         except EnvironmentError: