Make shell variables work in the zones file

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@2225 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb

Shorewall2/functions

@@ -268,6 +268,7 @@ reload_kernel_modules() {
 find_zones() # $1 = name of the zone file
 {
     while read zone display comments; do
+	expandv zone display
 	[ -n "$zone" ] && case "$zone" in
 	    [0-9*])
                 echo "   Warning: Illegal zone name \"$zone\" in zones file ignored" 2>&2