[R] Build R-2.8.1 on AIX5.3

[Ei-ji Nakama]

> I have succesfully built R-2.8.1 on AIX,but I also found a problem in my
> build process-- the 783 line on patch file should be  combined with 782
> line.

Oops, mended.
http://prs.ism.ac.jp/~nakama/AIX/AIX_R-2.8.1_fix.patch

Now, I do not have AIX that can be tested.:(

Thank you Jin.
-- 
EI-JI Nakama  <nakama (a) ki.rim.or.jp>
"\u4e2d\u9593\u6804\u6cbb"  <nakama (a) ki.rim.or.jp>