textanalysis: fix diffBus callback logic (was doing nothing)
textanalysis: fix diffBus callback logic (was doing nothing)

tlevine/rhizi,shlomif/rhizi,cben/rhizi,tlevine/rhizi,Rhizi/rhizi,Rhizi/rhizi,ozFri/rhizi,tlevine/rhizi,cben/rhizi,shlomif/rhizi,cben/rhizi,shlomif/rhizi,Rhizi/rhizi,tlevine/rhizi,Rhizi/rhizi,shlomif/rhizi,yuvadm/rhizi,ozFri/rhizi,yuvadm/rhizi,ozFri/rhizi,ozFri/rhizi,yuvadm/rhizi,yuvadm/rhizi,cben/rhizi