recent xspec patches

12.5.0j	Parameter links both to and from a model which is not associated with any spectra (shown as "Active/Off" in the model display), should not be removed when the model's state gets updated (such as when using the dummyrsp command). Our thanks to Laura Brenneman for pointing this out. Report added on Dec 24, 2008.
12.5.0k	The dummyrsp command may cause a crash when entering a very large number of energy bins. Our thanks to Joel Frioriksson for pointing this out. Report added on Dec 31, 2008.