Rename KAbout to avoid conflicts with KDE4

src/kpowersave.cpp

@@ -543,7 +543,7 @@ void kpowersave::slotHelp()
  */
 void kpowersave::slotAbout()
 {
- 	KAboutApplication a( this );
+ 	TDEAboutApplication a( this );
         a.exec();
 }