From 08585c75ae483720edfc092511e07961462076bd Mon Sep 17 00:00:00 2001
From: Tom Eastep <teastep@shorewall.net>
Date: Sat, 28 Aug 2010 14:46:29 -0700
Subject: [PATCH] Fix optional 'upnpclient' interfaces - take 2

---
 Shorewall/Perl/Shorewall/Rules.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Shorewall/Perl/Shorewall/Rules.pm b/Shorewall/Perl/Shorewall/Rules.pm
index 128bf5a92..da028355f 100644
--- a/Shorewall/Perl/Shorewall/Rules.pm
+++ b/Shorewall/Perl/Shorewall/Rules.pm
@@ -680,7 +680,7 @@ sub add_common_rules() {
 
 		if ( interface_is_optional $interface ) {
 		    add_commands( $chainref,
-				  qq(if [ -n "\$${base}_IS_USABLE" -a -n "$variable" ]; then) ,
+				  qq(if [ -n "SW_\$${base}_IS_USABLE" -a -n "$variable" ]; then) ,
 				  '    echo "-A ' . match_source_dev( $interface ) . qq(-s $variable -p udp -j ACCEPT" >&3) ,
 				  qq(fi) );
 		} else {