invalid test

[John W. Eaton]

On 17-Jul-2008, Jaroslav Hajek wrote:

| attached is a patch for a test in statistics/base/cov.m that is no
| longer valid (X'*X is computed specially, so that it no longer needs
| to
| be equal to X'*Y when X == Y and Y is not a shallow copy of X).

Thanks for looking at this.  I applied the changeset.

Thanks,

jwe