Implemented uiControlDestroy() for uiRadioButtons on GTK+. Fixes #40.
Implemented uiControlDestroy() for uiRadioButtons on GTK+. Fixes #40.

tbodt/libui,ProtonMail/libui,tbodt/libui,sclukey/libui,ProtonMail/libui,ProtonMail/libui,sclukey/libui