'fstat' compatibility issue

[John W. Eaton]

On 17-Feb-2010, S ren Hauberg wrote:

| It was mentioned on the Octave-Forge list that the 'statistics' package
| has a function called 'fstat' that clashes with the function of the same
| name in Octave. This is bad.
| 
| Matlab has a function called 'fstat' that does the same as the function
| in the 'statistics' package. For compatibility, I think we should rename
| the 'fstat' function in core Octave into something else. This will,
| however, break applications that use the 'fstat' function from core
| Octave.
| 
| Any thoughts on how to deal with this issue?

If we had namespaces, I'd be willing to move all the OS-related
functions into something like os.FCN or posix.FCN or similar.

jwe