[lazarus] cvs changes

[Stefan Hille]

recent changes:

  - changed ReadState procedure to match actual implementation in fcl
    (Affects TPage / TCustomNotebook)
    ---> requires actual fcl!!!!!!!!!!!!!
  - fixed bug in TCustomRadioGroup, no longer crashing in Destroy
  - added callback for stringlist in TCustomradiogroup (OnChanging event)
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Stefan Hille          email: stoppok at osibisa.ms.sub.org 
48155 Muenster	      voice: 0251/664695