Revert removal of void from function definition. Guido sez I can take it

out again after we complete switching to C++ <wink>.  Thanks to Greg Stein
for hitting me.

Python/ceval.c

@@ -302,7 +302,7 @@ Py_MakePendingCalls(void)
 
 static int recursion_limit = 1000;
 
-int Py_GetRecursionLimit()
+int Py_GetRecursionLimit(void)
 {
 	return recursion_limit;
 }