beremiz

fix problem that it was impossible to edit SFC jump, if it references non-existent SFC step

2016-12-20, Andrey Skvortsov
0d961dc6f58f
fix problem that it was impossible to edit SFC jump, if it references non-existent SFC step
<?xml version="1.0" encoding="UTF-8"?>
<BaseParams Name="py_ext_0" IEC_Channel="0"/>