updated for version 7.3.1052

Problem:    Python: possible SEGV and negative refcount.
Solution:   Python patch 13: Fix IterIter function. (ZyX)

src/if_py_both.h

@@ -814,6 +814,7 @@ IterNext(IterObject *self)
     static PyObject *
 IterIter(PyObject *self)
 {
+    Py_INCREF(self);
     return self;
 }
 

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1052,
 /**/
     1051,
 /**/