FIX (#5912): configure errors when source path contains blanks
FIX (#5912): configure errors when source path contains blanks


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