[mkgmap-dev] Commit: r916: Make version 4 of the tdb the default.

Version 916 was commited by steve on 2009-02-21 13:27:45 +0000 (Sat, 21 Feb 2009) Make version 4 of the tdb the default. You can use tdb-v3 to get the older version, although I may remove it if there is no use for it.