[mkgmap-dev] Commit: r2298: Change r2262 to fix the off by one error in the month in the date header missed some cases.

Version 2298 was commited by steve on 2012-06-15 14:12:26 +0100 (Fri, 15 Jun 2012) Change r2262 to fix the off by one error in the month in the date header missed some cases. This is the rest of them. Doesn't make any known difference to anything.