[PATCH] Fix python/ldb errors, possibly including debian bug #808769

[Andrew Bartlett]

I think I may have found the cause of the s390x issues blocking Samba
4.3 from debian testing.

It is probably the second of the issues I found, that is the int vs
Py_ssize_t handling in the python bindings.

To ensure we don't hit this issue again, I've changed to using
Py_ssize_t consistently and added a system/python.h header to set that
mode.

We may wish to put other samba/python compat macros in that file. 

I also remove some Python 2.4 compatibility code.

Please review/push!

Thanks,

Andrew Bartlett
-- 
Andrew Bartlett
https://samba.org/~abartlet/
Authentication Developer, Samba Team         https://samba.org
Samba Development and Support, Catalyst IT   
https://catalyst.net.nz/services/samba





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