[mkgmap-dev] Commit r4608: Improve handling of invalid option file, CommandArgsReader.patch by Mike Baggaley

Version mkgmap-r4608 was committed by gerd on Wed, 10 Mar 2021 Improve handling of invalid option file, CommandArgsReader.patch by Mike Baggaley - fixes a crash if you inadvertently specify a .o5m file after the -c command line argument. http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4608