bpo-36251: Fix format strings used in match_repr() and stdprinter_repr(). (GH-12252)

Misc/NEWS.d/next/Library/2019-03-09-18-01-24.bpo-36251.zOp9l0.rst

+Fix format strings used for stderrprinter and re.Match reprs. Patch by
+Stephan Hohe.

Modules/_sre.c

@@ -2306,7 +2306,7 @@ match_repr(MatchObject *self)
     if (group0 == NULL)
         return NULL;
     result = PyUnicode_FromFormat(
-            "<%s object; span=(%d, %d), match=%.50R>",
+            "<%s object; span=(%zd, %zd), match=%.50R>",
             Py_TYPE(self)->tp_name,
             self->mark[0], self->mark[1], group0);
     Py_DECREF(group0);

Objects/fileobject.c

@@ -411,7 +411,7 @@ stdprinter_fileno(PyStdPrinter_Object *self, PyObject *Py_UNUSED(ignored))
 static PyObject *
 stdprinter_repr(PyStdPrinter_Object *self)
 {
-    return PyUnicode_FromFormat("<stdprinter(fd=%d) object at 0x%x>",
+    return PyUnicode_FromFormat("<stdprinter(fd=%d) object at %p>",
                                 self->fd, self);
 }