bring speed back into KConfig, BTW

[Jaroslaw Staniek]

BTW, why I am asking about KConfig::deleteGroupImpl() is especially that I 
have encountered that every call took more than 1 second and ~100% of CPU on 
my box, in debugging session for KMail (win32/msvc). Strange.

-- 
regards / pozdrawiam, Jaroslaw Staniek
  Sponsored by OpenOffice Polska (http://www.openoffice.com.pl/en) to work on
  Kexi & KOffice (http://www.kexi.pl/en, http://www.koffice.org/kexi)
  KDE Libraries for MS Windows (http://windows.kde.org)