[ns] error while building NIST extension

[Mariem Thaalbi]

 Hello,
I'm building the mobility extension NIST of NS 2.29.2, under ubuntu 8.10,
but i had this error while the compilation (./configure ; make clean ;
make):  In file included from mac/mac-802_11.cc:63:
mac/mac-802_11.h:620: error: extra qualification ‘Mac802_11::’ on member
‘calFreq’
make: *** [mac/mac-802_11.o] Error 1
 Please help me