some Pyston change to structseq

from_cpython/Include/structseq.h

@@ -8,14 +8,15 @@
 extern "C" {
 #endif
 
+// Pyston changes: change char* to const char*
 typedef struct PyStructSequence_Field {
-	char *name;
-	char *doc;
+	const char *name;
+	const char *doc;
 } PyStructSequence_Field;
 
 typedef struct PyStructSequence_Desc {
-	char *name;
-	char *doc;
+	const char *name;
+	const char *doc;
 	struct PyStructSequence_Field *fields;
 	int n_in_sequence;
 } PyStructSequence_Desc;
@@ -25,7 +26,8 @@ extern char* PyStructSequence_UnnamedField;
 PyAPI_FUNC(void) PyStructSequence_InitType(PyTypeObject *type,
 					   PyStructSequence_Desc *desc) PYSTON_NOEXCEPT;
 
-PyAPI_FUNC(PyObject *) PyStructSequence_New(PyTypeObject* type) PYSTON_NOEXCEPT;
+// Pyston change, change PyTypeObject to struct _typeobject
+PyAPI_FUNC(PyObject *) PyStructSequence_New(struct _typeobject* type) PYSTON_NOEXCEPT;
 
 typedef struct {
 	PyObject_VAR_HEAD

from_cpython/Objects/structseq.c

@@ -519,12 +519,12 @@ PyStructSequence_InitType(PyTypeObject *type, PyStructSequence_Desc *desc)
     for (i = k = 0; i < n_members; ++i) {
         if (desc->fields[i].name == PyStructSequence_UnnamedField)
             continue;
-        members[k].name = desc->fields[i].name;
+        members[k].name = (char*)desc->fields[i].name;
         members[k].type = T_OBJECT;
         members[k].offset = offsetof(PyStructSequence, ob_item)
           + i * sizeof(PyObject*);
         members[k].flags = READONLY;
-        members[k].doc = desc->fields[i].doc;
+        members[k].doc = (char*)desc->fields[i].doc;
         k++;
     }
     members[k].name = NULL;