Bug #1629125: fix wrong data type (int -> Py_ssize_t) in PyDict_Next docs.

 (backport from rev. 53477)

Doc/api/concrete.tex

@@ -2082,7 +2082,7 @@ format.
 
 \begin{verbatim}
 PyObject *key, *value;
-int pos = 0;
+Py_ssize_t pos = 0;
 
 while (PyDict_Next(self->dict, &pos, &key, &value)) {
     /* do something interesting with the values... */
@@ -2097,7 +2097,7 @@ while (PyDict_Next(self->dict, &pos, &key, &value)) {
 
 \begin{verbatim}
 PyObject *key, *value;
-int pos = 0;
+Py_ssize_t pos = 0;
 
 while (PyDict_Next(self->dict, &pos, &key, &value)) {
     int i = PyInt_AS_LONG(value) + 1;

Misc/NEWS

@@ -383,6 +383,9 @@ Tests
 Documentation
 -------------
 
+- Bug #1629125: fix wrong data type (int -> Py_ssize_t) in PyDict_Next
+  docs.
+
 - Bug #1565919: document set types in the Language Reference.
 
 - Bug #1546052: clarify that PyString_FromString(AndSize) copies the