contents of "aix.fix" file

Yesterday I was looking through the incomming directory at the moon and
saw the file "grass4.0_aix_fix.tar.Z". What is this, and should I use it
when I begin to compile grass4.0 on a RS6000 in the next couple of weeks?

Erich Schroeder
Illinois State Museum
GIS lab
schroeder@denr1.igis.uiuc.edu