[changeset] : adjustment of tolerance for single precision tests in chol.cc

[John W. Eaton]

On 26-Aug-2008, Ben Abbott wrote:

| Building the default branch on Mac OSX using Apple's vecLib results in  
| a failure for the single precision chol.cc tests.
| 
| The attached changeset increases the tolerance form 1e1*eps('single')  
| to 2e1*eps('single').

I applied it.

Thanks,

jwe