[mkgmap-dev] Commit r4546: improve code: fix sonarlint issues reg. "Move the string literal on the left side of string comparison."

Version mkgmap-r4546 was committed by gerd on Mon, 15 Jun 2020 improve code: fix sonarlint issues reg. "Move the string literal on the left side of string comparison." http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4546