header.rb in packetgen-2.1.0

- old
+ new

@@ -88,9 +88,10 @@
 require_relative 'header/ip'
 require_relative 'header/icmp'
 require_relative 'header/arp'
 require_relative 'header/ipv6'
 require_relative 'header/icmpv6'
+require_relative 'header/gre'
 require_relative 'header/udp'
 require_relative 'header/tcp'
 require_relative 'header/esp'
 require_relative 'header/ike'
 require_relative 'header/dns'