add emit keyword to signals in fiffanonymizer
add emit keyword to signals in fiffanonymizer

mne-tools/mne-cpp,mne-tools/mne-cpp,mne-tools/mne-cpp,chdinh/mne-cpp,mne-tools/mne-cpp,mne-tools/mne-cpp,mne-tools/mne-cpp,chdinh/mne-cpp,chdinh/mne-cpp,chdinh/mne-cpp,chdinh/mne-cpp,chdinh/mne-cpp