[mkgmap-dev] Commit r4251: Check size of TYP polygon bitmap

Version mkgmap-r4251 was committed by steve on Mon, 12 Nov 2018 Check size of TYP polygon bitmap They can only be 32x32 so fail if a different size. http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4251