Patch for texinfo v3 (from egcs) for Irix 6.3 native compiler

[Jeffrey A Law]

  In message < 199712061429.PAA14863@baby.link.no >you write:
  > 
  > To compile egcs using the native compiler on Irix 6.3, I had to change
  > texinfo to use getopt() instead of getopt_long().  The following is a
  > patch to detect and handle this case.  I have added the single char
  > param -S for --no-split to makeinfo.  I skipped my generated configure
  > from the patch.  You should run autoconf with your version.
Exactly why was this necessary; I was able to build egcs-1.0 on irix6.3
without this change.

jeff