Crash bugs in SDL 1.1.5

The latest version of SDL (1.1.5) has a crash in the clipping code, and
exposes a crashing bug in the newest pthread library on Linux. I will
be releasing SDL 1.1.6 in a few days, and in the meantime you can grab
the latest CVS snapshot with the fixes at:

See ya!
-Sam Lantinga, Lead Programmer, Loki Entertainment Software