r23336 - gnucash/trunk/src/engine - Add off-by-one warning in comment

[Geert Janssens]

Author: gjanssens
Date: 2013-10-26 04:40:06 -0400 (Sat, 26 Oct 2013)
New Revision: 23336
Trac: http://svn.gnucash.org/trac/changeset/23336

Modified:
   gnucash/trunk/src/engine/gnc-budget.c
Log:
Add off-by-one warning in comment

Taken from https://bugzilla.gnome.org/show_bug.cgi?id=709329#c7

Modified: gnucash/trunk/src/engine/gnc-budget.c
===================================================================
--- gnucash/trunk/src/engine/gnc-budget.c	2013-10-26 08:38:44 UTC (rev 23335)
+++ gnucash/trunk/src/engine/gnc-budget.c	2013-10-26 08:40:06 UTC (rev 23336)
@@ -507,6 +507,8 @@
     gchar path[BUF_SIZE];
     gchar *bufend;
 
+    /* Watch out for an off-by-one error here:
+     * period_num starts from 0 while num_periods starts from 1 */
     if (period_num >= GET_PRIVATE(budget)->num_periods) {
         PWARN("Period %i does not exist", period_num);
         return;