avoid some C compiler warnings in pypy

Cython/Utility/ObjectHandling.c

@@ -279,7 +279,7 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j
 
 {{for type in ['List', 'Tuple']}}
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_{{type}}_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
+                                                              CYTHON_UNUSED int wraparound, CYTHON_UNUSED int boundscheck) {
 #if CYTHON_COMPILING_IN_CPYTHON
     if (wraparound & unlikely(i < 0)) i += Py{{type}}_GET_SIZE(o);
     if ((!boundscheck) || likely((0 <= i) & (i < Py{{type}}_GET_SIZE(o)))) {
@@ -295,7 +295,7 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_{{type}}_Fast(PyObject *o, Py_ss
 {{endfor}}
 
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                                     int is_list, int wraparound, int boundscheck) {
+                                                     int is_list, CYTHON_UNUSED int wraparound, CYTHON_UNUSED int boundscheck) {
 #if CYTHON_COMPILING_IN_CPYTHON
     if (is_list || PyList_CheckExact(o)) {
         Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);