- Chase updated distfile, at 5.1.3535.3218 now. 
- Add browser wrapper hack that restores LD_LIBRARY_PATH so a native
BROWSER=firefox3 doesn't pick up Linux libs and fails to start.
Submitted by: pointyhat via erwin 
- Limit the stack size for Google Earth. Linux glibc threading behaves
slightly differently with a smaller stack size and Google Earth (like
the Flash plugins) relies on this behaviour. 
- Bump PORTREVISION.
Reported by: scf