r22212 - gnucash/trunk/src/libqof/qof/test - Fix compiler error about overflow of integer calculations.

[Christian Stimming]

Author: cstim
Date: 2012-06-10 15:32:13 -0400 (Sun, 10 Jun 2012)
New Revision: 22212
Trac: http://svn.gnucash.org/trac/changeset/22212

Modified:
   gnucash/trunk/src/libqof/qof/test/test-gnc-date.c
Log:
Fix compiler error about overflow of integer calculations.

To reproduce: gcc-4.6.1 and -O2 switched on.