r16201 - gnucash/trunk/lib/libqof/qof - Return NULL on qof_instance_get_guid(NULL) again, #448853.

[Andreas Köhler]

Author: andi5
Date: 2007-06-22 13:42:52 -0400 (Fri, 22 Jun 2007)
New Revision: 16201
Trac: http://svn.gnucash.org/trac/changeset/16201

Modified:
   gnucash/trunk/lib/libqof/qof/qofinstance.c
Log:
Return NULL on qof_instance_get_guid(NULL) again, #448853.