[mkgmap-dev] Commit r4195: fix check for two node way so that we don't calculate a point for ways with 3 nodes

Version mkgmap-r4195 was committed by gerd on Fri, 13 Jul 2018 fix check for two node way so that we don't calculate a point for ways with 3 nodes http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4195