updated for version 7.3.908

Problem:    Possible crash when using a list in Python.
Solution:   Return early if the list is NULL. (ZyX)

src/if_py_both.h

@@ -738,6 +738,8 @@ pymap_to_tv(PyObject *obj, typval_T *tv, PyObject *lookupDict)
     tv->vval.v_dict = d;
 
     list = PyMapping_Items(obj);
+    if (list == NULL)
+	return -1;
     lsize = PyList_Size(list);
     while (lsize--)
     {

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    908,
 /**/
     907,
 /**/