[physfs] [patch] fix off-by-one in findBinaryInPath()

[Ryan C. Gordon]

> I've sent this to Ryan, but got no reply, so reposting to the list.

Sorry, I hadn't gotten around to looking at this yet.

This is now fixed in:

     https://hg.icculus.org/icculus/physfs/rev/baecd71ae0e7

Thanks!

(this bug doesn't exist in any released version of PhysicsFS, so no 
worries for anyone using a 1.0.x or 2.0.x release.)

--ryan.