fix memory PyObject * typemaps to avoid memory leaks with iterators

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8375 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/python/pytypemaps.swg

@@ -85,13 +85,18 @@
 
 /* For output, we increase the reference object */
 %typemap(out,noblock=1)  PyObject * {
-  Py_XINCREF($1);
+  /* hello */
   $result = $1;
+%#if !($owner) 
+  Py_XINCREF($result);
+%#endif
 }
 
 %typemap(out,noblock=1)  PyObject * const & {
-  Py_XINCREF(*$1);
   $result = *$1;
+%#if !($owner) 
+  Py_XINCREF($result);
+%#endif
 }
 
 /* Consttab, needed for callbacks, it should be removed later */