The formatting of the IO-APIC debug key info has niggled me for a while,
and with the latest interrupt bug I am chasing, has finally motivated me
to fix it.

The attached patch causes all columns to line up, and removes the comma
which served no purpose in combination with the spaces already present.

-- 
Andrew Cooper - Dom0 Kernel Engineer, Citrix XenServer
T: +44 (0)1223 225 900, http://www.citrix.com