CVS update (x86 optimization + IRIX)

The latest CVS update has updated IRIX support, thanks to Simon Gornall
for donating the hardware:
http://www.devolution.com/~slouken/SDL/cvs.html

Also included in this update is improved default optimization when using
gcc on x86 platforms. Oh, and on BeOS, the app changes directory to the
directory the application resides in when being launched by Tracker.
Thanks to Jonathan Belson for that bit of code.

Enjoy!
-Sam Lantinga, Lead Programmer, Loki Entertainment Software

-= * = * = * = * = * = * = * = * = * = * = * = * = * = * = * = * =-
To debug, or not to debug, that is the question! Whether
tis nobler in mind to suffer the slings and arrows of outrageous QA
testers, or take arms against a sea of user issues, and by compiling,
end them? To code, to sleep, no more, and by code to say we end the
heartache and thousand natural crashes players are heir to…