update doc according to code; table first

Author: Thomas Vander Stichele

lib/puppet/type/firewallchain.rb

@@ -35,7 +35,7 @@
 
     validate do |value|
       if value !~ Nameformat then
-        raise ArgumentError, "Inbuilt chains must be in the form {chain}:{table}:{protocol} where {table} is one of FILTER, NAT, MANGLE, RAW, RAWPOST, BROUTE or empty (alias for filter), chain can be anything without colons or one of PREROUTING, POSTROUTING, BROUTING, INPUT, FORWARD, OUTPUT for the inbuilt chains, and {protocol} being empty or IP (both meaning IPv4 and IPv6), IPv4, IPv6, ethernet (ethernet bridging) got '#{value}' table:'#{$1}' chain:'#{$2}' protocol:'#{$3}'"
+        raise ArgumentError, "Inbuilt chains must be in the form {table}:{chain}:{protocol} where {table} is one of FILTER, NAT, MANGLE, RAW, RAWPOST, BROUTE or empty (alias for filter), chain can be anything without colons or one of PREROUTING, POSTROUTING, BROUTING, INPUT, FORWARD, OUTPUT for the inbuilt chains, and {protocol} being empty or IP (both meaning IPv4 and IPv6), IPv4, IPv6, ethernet (ethernet bridging) got '#{value}' table:'#{$1}' chain:'#{$2}' protocol:'#{$3}'"
       else 
         table = $1
         chain = $2