Log Message:
Patch a few bugs:

The default C++ precision of 6 digits is Very risky in a database context.

As with DATE fields, if a TIME field is unset (hour value 24+), output an
empty string.

Correctly terminate default string values on NUL.

Bump PKGREVISION.

Submitted upstream as: \ 
http://sourceforge.net/tracker/index.php?func=detail&aid=1817213&group_id=10524&atid=360524