error: passing argument 1 of ‘new_create_dissector_handle’ from incompatible pointer type

I wrote a plugin for wireshark 1.7.1 which was working fine then. When i tried same source with 1.9.0 , it gives me following error while make install.

packet-extl2.c: In function 'proto_reg_handoff_extl2':
packet-extl2.c:265: error: passing argument 1 of 'new_create_dissector_handle' from incompatible pointer type
packet-extl2.c:266: error: implicit declaration of function 'dissector_add'
make[3]: [packet-extl2.lo] Error 1
make[3]: Leaving directory /root/wireshark/wireshark-1.9.0/plugins/extl2' make[2]: *** [install-recursive] Error 1 make[2]: Leaving directory/root/wireshark/wireshark-1.9.0/plugins'
make[1]: [install-recursive] Error 1
make[1]: Leaving directory `/root/wireshark/wireshark-1.9.0'
make: *** [install] Error 2
[[email protected] wireshark-1.9.0]$

Here is my function which is creating problems:

void
proto_reg_handoff_extl2(void)
{
dissector_handle_t extl2_handle;
ip_handle = find_dissector("ip");
extl2_handle = new_create_dissector_handle(dissect_extl2,proto_extl2);
dissector_add("ethertype", 0x0800,extl2_handle);
dissector_add("ethertype",0x86DD,extl2_handle);
}

I am not sure what's wrong. dissect_extl2 returns "tvb_length" and has return type of static int. And also what header i am missing to get "implicit declaration of dissector_add" . Any help appreciated.

Thanks for your time.