Restore version 1.4 of the rules file -- allow removing common action

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@1154 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb

Shorewall2/firewall

@@ -2427,6 +2427,8 @@ process_actions1() {
 			    ;;
 		    esac
 	    esac
+
+	    [ -z "$xaction" ] && continue
 	    
 	    [ "$xaction" = "$(chain_base $xaction)" ] || fatal_error "Invalid Action Name: $xaction"
 

Shorewall2/rules

@@ -39,6 +39,7 @@
 #					    Like REDIRET but only generates the
 #					    REDIRECT iptables rule and not
 #					    the companion ACCEPT rule.
+#
 #				CONTINUE -- (For experts only). Do not process
 #					    any of the following rules for this
 #					    (source zone,destination zone). If
@@ -50,7 +51,8 @@
 #					    (those) zone(s).
 #				LOG      -- Simply log the packet and continue.
 #				QUEUE	 -- Queue the packet to a user-space
-#					    application such as p2pwall.
+#					    application such as ftwall
+#					    (http://p2pwall.sf.net).
 #				<action> -- The name of an action defined in
 #					    /etc/shorewall/actions.
 #