bugfix synphot fluxerr
bugfix synphot fluxerr

dannygoldstein/sncosmo,sncosmo/sncosmo,kbarbary/sncosmo,kbarbary/sncosmo,dannygoldstein/sncosmo,sncosmo/sncosmo,sncosmo/sncosmo,kbarbary/sncosmo,dannygoldstein/sncosmo