3.4 PATCH: Several IRIX 6.5.1[89] ISO C99 fixes

[Benjamin Kosnik]

>Ok for mainline?

Looks great to me, thanks.

>Since the patch fixes problems caused by IRIX header bugs which affect the
>3.2 and 3.3 branches as well, I'd like to apply it there as well.  Ok?

Ok! Sounds good. 

thanks again,
benjamin