[mkgmap-dev] Commit r4467: fix regression introduced with r4437: allow 0x4a polygon in polish input

Version mkgmap-r4467 was committed by gerd on Sun, 15 Mar 2020 fix regression introduced with r4437: allow 0x4a polygon in polish input http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4467