[physfs] 1.0.0-rc2

[Ryan C. Gordon]

> I have no doubt that autotools help with cross-platform portability (in the
> UNIX world at least), but they are very sensitive little beasts. :)

Yeah...ultimately, we'll fix this properly, but any slight change to
configure.in (or worse yet, the whole autotools subsystem) means
potential regressions on -every- system, so a workaround for 1.0 is good
enough.

rc2 is about to become 1.0.0.

--ryan.