[mkgmap-dev] Commit r4915: Polish format (*.mp) Don't crash with NullPointerException when a contour line has no label

Version mkgmap-r4915 was committed by gerd on Wed, 11 Oct 2023 Polish format (*.mp) Don't crash with NullPointerException when a contour line has no label This is a quick hack to restore the old behaviour before r4907. http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4915