bdiff: use ssize_t in favor of Py_ssize_t in cpython-unaware locations
This function and struct will be exposed via cffi, so we need to
remove the cpython API dependency they currently have.
requesting all changes
adding changesets
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added 1 changesets with 4 changes to 4 files
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4 files updated, 0 files merged, 0 files removed, 0 files unresolved
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 4 changes to 4 files
updating to branch default
4 files updated, 0 files merged, 0 files removed, 0 files unresolved