r20307 - gnucash/trunk/src/gnome-utils - Fix CRIT gtk warning if the old_page_long_name was NULL but still passed to g_strrstr.

[Christian Stimming]

Author: cstim
Date: 2011-02-16 16:08:10 -0500 (Wed, 16 Feb 2011)
New Revision: 20307
Trac: http://svn.gnucash.org/trac/changeset/20307

Modified:
   gnucash/trunk/src/gnome-utils/gnc-main-window.c
Log:
Fix CRIT gtk warning if the old_page_long_name was NULL but still passed to g_strrstr.