[mkgmap-dev] Commit r4194: calculate a mid point for a way with just two nodes to avoid

Version mkgmap-r4194 was committed by gerd on Fri, 13 Jul 2018 calculate a mid point for a way with just two nodes to avoid special case where an end point is part of the country border. http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4194