DOC: fixes failing doctest for nipype.interfaces.freesurfer.registration.EMRegister
DOC: fixes failing doctest for nipype.interfaces.freesurfer.registration.EMRegister

carolFrohlich/nipype,carolFrohlich/nipype,dgellis90/nipype,sgiavasis/nipype,mick-d/nipype,dgellis90/nipype,sgiavasis/nipype,carolFrohlich/nipype,sgiavasis/nipype,dgellis90/nipype,carolFrohlich/nipype,mick-d/nipype,dgellis90/nipype,FCP-INDI/nipype,mick-d/nipype,sgiavasis/nipype,FCP-INDI/nipype,FCP-INDI/nipype,mick-d/nipype,FCP-INDI/nipype