fixed copy-paste error in mean projection mode
fixed copy-paste error in mean projection mode

lsanzdiaz/MITK-BiiG,danielknorr/MITK,fmilano/mitk,fmilano/mitk,RabadanLab/MITKats,danielknorr/MITK,NifTK/MITK,NifTK/MITK,lsanzdiaz/MITK-BiiG,danielknorr/MITK,fmilano/mitk,danielknorr/MITK,danielknorr/MITK,MITK/MITK,lsanzdiaz/MITK-BiiG,MITK/MITK,fmilano/mitk,lsanzdiaz/MITK-BiiG,fmilano/mitk,iwegner/MITK,RabadanLab/MITKats,RabadanLab/MITKats,NifTK/MITK,fmilano/mitk,MITK/MITK,lsanzdiaz/MITK-BiiG,iwegner/MITK,iwegner/MITK,lsanzdiaz/MITK-BiiG,fmilano/mitk,danielknorr/MITK,iwegner/MITK,NifTK/MITK,RabadanLab/MITKats,RabadanLab/MITKats,MITK/MITK,NifTK/MITK,lsanzdiaz/MITK-BiiG,MITK/MITK,RabadanLab/MITKats,danielknorr/MITK,NifTK/MITK,iwegner/MITK,lsanzdiaz/MITK-BiiG,MITK/MITK,iwegner/MITK