[package] firewall: bail out if uci is used in firewall include files

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30694 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/firewall/files/lib/core_init.sh

@@ -288,7 +288,13 @@ fw_load_include() {
 	local path
 	config_get path ${name} path
 
-	[ -e $path ] && ( . $path )
+	[ -e $path ] && (
+		config() {
+			fw_log error "You cannot use UCI in firewall includes!" >&2
+			exit 1
+		}
+		. $path 
+	)
 }