[ns] leach error.... help needed!!!

Hi,i've made change from char meta[1000] to char meta[2000] in packet.h and sigSize to 225 plus hdr_size=25 (accordinh leach packet size=2000) in leachApp.cc and ran make clean and make in ns-2.29 folder but when i ran the leach tcl script it still gives the same error meta size 4064 too large (max=2000). please guide what else to done to correct this.
please urgent help is needed.regards,

Najma Ismat