[mkgmap-dev] Commit r4542: minor code improvements

Version mkgmap-r4542 was committed by gerd on Mon, 15 Jun 2020 minor code improvements - Replace the type specification in this constructor call with the diamond operator ("<>"). - Reorder the modifiers to comply with the Java Language Specification. - add static to some methods http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4542