[mkgmap-dev] Commit r3733: use Int2ObjectOpenHashMap instead of HashMap to avoid random error in implicit calls of Integer.valueOf() which is probably caused by a JIT error in recent JRE versions.

Version mkgmap-r3733 was committed by gerd on Mon, 19 Dec 2016 use Int2ObjectOpenHashMap instead of HashMap to avoid random error in implicit calls of Integer.valueOf() which is probably caused by a JIT error in recent JRE versions. See also http://www.mkgmap.org.uk/pipermail/mkgmap-dev/2016q4/025329.html http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=3733