Fixed typo in previous commit

Author: AHorneffer

factor/pipeline/parsets/facetselfcal_pipeline.parset

@@ -1205,7 +1205,7 @@ average5.argument.avg.type                                 =   squash
 average5.argument.avg.freqstep                             =   {{ facetimage_freqstep }}
 average5.argument.avg.timestep                             =   {{ facetimage_timestep }}
 average5.argument.flagzero.type                            =   preflagger
-average5.argument.amplmin                                  =   1e-20
+average5.argument.flagzero.amplmin                         =   1e-20
 
 # compress mapfile so that all files are in one group, length = 1
 create_compressed_mapfile5.control.kind                 =   plugin