[Gnucash-changes] patch to crash reported in comment 20,

[Linas Vepstas]

Log Message:
-----------
patch to crash reported in comment 20,
http://bugzilla.gnome.org/show_bug.cgi?id=120028
 ** untested **

Modified Files:
--------------
    gnucash/src/register/register-gnome:
        combocell-gnome.c

Revision Data
-------------
Index: combocell-gnome.c
===================================================================
RCS file: /home/cvs/cvsroot/gnucash/src/register/register-gnome/combocell-gnome.c,v
retrieving revision 1.13
retrieving revision 1.14
diff -Lsrc/register/register-gnome/combocell-gnome.c -Lsrc/register/register-gnome/combocell-gnome.c -u -r1.13 -r1.14
--- src/register/register-gnome/combocell-gnome.c
+++ src/register/register-gnome/combocell-gnome.c
@@ -377,8 +377,11 @@
 	box = cell->cell.gui_private;
 	if (NULL == box) return;
 
-	box->use_quickfill_cache = TRUE;
-	gnc_quickfill_destroy (box->qf);
+	if (FALSE == box->use_quickfill_cache)
+	{
+		box->use_quickfill_cache = TRUE;
+		gnc_quickfill_destroy (box->qf);
+	}
 	box->qf = shared_qf;
 }