[mkgmap-dev] Commit r4705: reduce peak memory in Mdr5.preWriteImpl() (called by combiners for --index)

Version mkgmap-r4705 was committed by gerd on Tue, 11 May 2021 reduce peak memory in Mdr5.preWriteImpl() (called by combiners for --index) mdr5Mem_v3.patch by Ticker Berkin http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4705