Avoid 'delete_nat doesn't exist' Errors

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@3612 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb

Shorewall/changelog.txt

@@ -101,3 +101,5 @@ Changes in 3.1.x.
      define_firewall().)
 
 43)  Add Simon's redhat prog files.
+
+44)  Add 'delete_nat' to compiled program.

Shorewall/compiler

@@ -8128,6 +8128,19 @@ stop_firewall() {
 	\$IPTABLES -A \$1 -m state --state ESTABLISHED,RELATED -j ACCEPT
     }
 
+    delete_nat() {
+	\$IPTABLES -t nat -F
+	\$IPTABLES -t nat -X
+
+	if [ -f /var/lib/shorewall/nat ]; then
+	    while read external interface; do
+		qt ip addr del $external dev $interface
+	    done < /var/lib/shorewall/nat
+
+	    rm -f {/var/lib/shorewall}/nat
+	fi
+    }
+
     case \$COMMAND in
 	stop|clear)
 	    ;;

Shorewall/releasenotes.txt

@@ -35,6 +35,9 @@ Problems Corrected in 3.1.9
 2)  If any extension script used 'set --' (like the 'Limit' standard action
     extension script) then 'shorewall restore' would fail.
 
+3)  An undefined function 'delete_nat' was previously called when a compiled
+    program was issued the 'stop' or 'clear' command.
+
 Other changes in 3.1.9
 
 1)  The 'redhat' distribution is now supported in the compile command's -d