[mkgmap-dev] Commit r4619: reformatting and minor code improvements, no functional change (inspired by filters_v2.patch from Ticker Berkin)

Version mkgmap-r4619 was committed by gerd on Sun, 28 Mar 2021 reformatting and minor code improvements, no functional change (inspired by filters_v2.patch from Ticker Berkin) http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4619