changed --ol_type=slice to --ol_type=sw in feedsRun.EddyS2V

Bug that previously had no effect (sw is default, so that got picked anyway as intended). But eddy now checks for correct input so no longer accepts this.

eddy/feedsRun.EddyS2VTest

@@ -46,7 +46,7 @@ eddy_args="--imain=${indir}/EddyS2VTestData/eddyData/testData
            --bvecs=${indir}/EddyS2VTestData/eddyData/testBvecs
            --index=${indir}/EddyS2VTestData/eddyData/testIndex
            --acqp=${indir}/EddyS2VTestData/eddyData/testAcqparams
-           --repol --ol_type=slice --ol_nstd=6 --ol_nvox=500
+           --repol --ol_type=sw --ol_nstd=6 --ol_nvox=500
            --niter=8 --fwhm=10,6,4,2,0,0,0,0 --nvoxhp=5000
            --mporder=16 --s2v_niter=10 --s2v_interp=trilinear
            --s2v_lambda=1 --very_verbose