Add explicit dependency to DicomReaderServices
Add explicit dependency to DicomReaderServices

On macOS DicomRTIO could not be opened because
DicomReaderServices wasn't loaded already.

MITK/MITK,MITK/MITK,fmilano/mitk,fmilano/mitk,fmilano/mitk,MITK/MITK,fmilano/mitk,fmilano/mitk,MITK/MITK,MITK/MITK,MITK/MITK,fmilano/mitk,fmilano/mitk