Implement PEP 380 - 'yield from' (closes #11682)
diff --git a/Include/genobject.h b/Include/genobject.h
index d29fb1e..13a3856 100644
--- a/Include/genobject.h
+++ b/Include/genobject.h
@@ -11,20 +11,20 @@
 struct _frame; /* Avoid including frameobject.h */
 
 typedef struct {
-	PyObject_HEAD
-	/* The gi_ prefix is intended to remind of generator-iterator. */
+        PyObject_HEAD
+        /* The gi_ prefix is intended to remind of generator-iterator. */
 
-	/* Note: gi_frame can be NULL if the generator is "finished" */
-	struct _frame *gi_frame;
+        /* Note: gi_frame can be NULL if the generator is "finished" */
+        struct _frame *gi_frame;
 
-	/* True if generator is being executed. */
-	int gi_running;
+        /* True if generator is being executed. */
+        int gi_running;
     
-	/* The code object backing the generator */
-	PyObject *gi_code;
+        /* The code object backing the generator */
+        PyObject *gi_code;
 
-	/* List of weak reference. */
-	PyObject *gi_weakreflist;
+        /* List of weak reference. */
+        PyObject *gi_weakreflist;
 } PyGenObject;
 
 PyAPI_DATA(PyTypeObject) PyGen_Type;
@@ -34,6 +34,7 @@
 
 PyAPI_FUNC(PyObject *) PyGen_New(struct _frame *);
 PyAPI_FUNC(int) PyGen_NeedsFinalizing(PyGenObject *);
+PyAPI_FUNC(int) PyGen_FetchStopIterationValue(PyObject **);
 
 #ifdef __cplusplus
 }