r17420 - gnucash/branches/gda-dev2/src/business/business-core/sql - Fix more NULL guid reference handling instances.

[Phil Longstaff]

Author: plongstaff
Date: 2008-07-27 11:11:19 -0400 (Sun, 27 Jul 2008)
New Revision: 17420
Trac: http://svn.gnucash.org/trac/changeset/17420

Modified:
   gnucash/branches/gda-dev2/src/business/business-core/sql/gnc-invoice-sql.c
   gnucash/branches/gda-dev2/src/business/business-core/sql/gnc-order-sql.c
   gnucash/branches/gda-dev2/src/business/business-core/sql/gnc-tax-table-sql.c
Log:
Fix more NULL guid reference handling instances.