Patch to make simplesha3 (Version 20150922) Python 3 compatible

simplesha3.patch

$ diff -Naur simplesha3.djb.c simplesha3.c
--- simplesha3.djb.c	2015-09-22 11:28:31.000000000 +0100
+++ simplesha3.c	2015-11-11 11:59:16.000000000 +0000
@@ -11,7 +11,7 @@
     int n; \
     if (!PyArg_ParseTuple(args,"s#:update",&m,&n)) return 0; \
     Keccak(r*8,m,n,p,h,d); \
-    return PyString_FromStringAndSize((const char *)h,d); \
+    return PyBytes_FromStringAndSize((const char *)h,d); \
   } \
   PyDoc_STRVAR(i##_doc,"Return the "name" digest of the input string.");
 
@@ -49,7 +49,9 @@
   {0,0}
 };
 
-PyMODINIT_FUNC initsimplesha3(void)
+PyMODINIT_FUNC PyInit_simplesha3(void)
 {
-  Py_InitModule("simplesha3",functions);
+  static struct PyModuleDef moduledef = {
+    PyModuleDef_HEAD_INIT, "simplesha3", "simplesha3", -1, functions, };
+  PyModule_Create(&moduledef);
 }