Fix for the Relax_disp.test_korzhnev_2005_15n_sq_data system test for certain MS Windows systems.
This was reported as sr #3142 (http://gna.org/support/?3142).
The problem was simply the lower precision of this system.
Authored by: bugman 2014-04-22
Parent: [r22812]
Child: [r22814]
