tools/python: Fix indenting in 25030:6ced0ed954d6

Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>

tools/python/xen/lowlevel/xl/xl.c

@@ -408,8 +408,8 @@ static PyObject *pyxl_domid_to_name(XlObject *self, PyObject *args)
     domname = libxl_domid_to_name(self->ctx, domid);
     if (domname)
         ret = PyString_FromString(domname);
-	else
-		Py_INCREF(Py_None);
+    else
+        Py_INCREF(Py_None);
     free(domname);
 
     return ret;