Code Cleanup

Letting the IDE update the signature of the function definition got a
“Fp311Online::” back in...

src/clientgui.cpp

@@ -254,7 +254,7 @@ void ClientGui::fillEventsIntoHistogram(const QString& adcchannels)
     _rootcanvas.getCanvas()->Update();
 }
 
-void Fp311Online::ClientGui::clearHistogram(const bool fromServer)
+void ClientGui::clearHistogram(const bool fromServer)
 {
     for (int i = 0; i < ExperimentState::NumberOfAdcChannels - 1; i++)
         _histo->SetBinContent(i, 0);