[interchange: 1/2] Keep logic of 'defined' for commify filter, so [filter commify.0] works.

[Josh Lavin]

commit b4be8c300dc210e4888c3e8592c46c356a03123d
Author: Josh Lavin <josh at perusion.com>
Date:   Tue Feb 19 14:11:09 2013 -0800

    Keep logic of 'defined' for commify filter, so [filter commify.0] works.

 code/Filter/commify.filter |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/code/Filter/commify.filter b/code/Filter/commify.filter
index 0f561bc..521172f 100644
--- a/code/Filter/commify.filter
+++ b/code/Filter/commify.filter
@@ -5,8 +5,6 @@
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.  See the LICENSE file for details.
-# 
-# $Id: commify.filter,v 1.4 2007-03-30 23:40:44 pajamian Exp $
 
 CodeDef commify Filter
 CodeDef commify Description Commify
@@ -14,7 +12,7 @@ CodeDef commify Routine <<EOR
 sub {
 	my ($val, $tag, $places) = @_;
 	$places = 2 unless defined $places;
-	$val = sprintf("%.${places}f", $val) if $places;
+	$val = sprintf("%.${places}f", $val) if defined $places;
 	return Vend::Util::commify($val);
 }
 EOR