mp.c: Factor out and export `mphash'.

diff --git a/catacomb-python.h b/catacomb-python.h
index 0307701..490862b 100644 (file)
--- a/catacomb-python.h
+++ b/catacomb-python.h
@@ -324,6 +324,7 @@ extern mp *getgf(PyObject *);
 extern int convgf(PyObject *, void *);
 extern PyObject *mp_pywrap(mp *);
 extern PyObject *gf_pywrap(mp *);
+extern long mphash(mp *);
 extern mp *mp_frompyobject(PyObject *, int);
 extern PyObject *mp_topystring(mp *, int,
                               const char *, const char *, const char *);