Fix two issues introduced by issue #71031 by changing the signature of
PyImport_AppendInittab() to take a const char *.
diff --git a/Python/import.c b/Python/import.c
index b39cb18..5e42e5c 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -3382,7 +3382,7 @@
 
 	memset(newtab, '\0', sizeof newtab);
 
-	newtab[0].name = name;
+	newtab[0].name = (char *)name;
 	newtab[0].initfunc = initfunc;
 
 	return PyImport_ExtendInittab(newtab);