r19945 - gnucash/trunk/src - Add APIs to get/set a flag signifying that a transaction is a book-closing txn.

[Derek Atkins]

Author: warlord
Date: 2010-12-15 21:11:53 -0500 (Wed, 15 Dec 2010)
New Revision: 19945
Trac: http://svn.gnucash.org/trac/changeset/19945

Modified:
   gnucash/trunk/src/engine/Transaction.c
   gnucash/trunk/src/engine/Transaction.h
   gnucash/trunk/src/gnome-utils/dialog-book-close.c
Log:
Add APIs to get/set a flag signifying that a transaction is a book-closing txn.
This is necessary for Bug #570042 but doesn't completely solve it until
the reports are updated to use the new API.  This is backwards-compatible
with the slot data inserted by the book closing since 2010-03-02.