Set hist_suffix for cice history output. This can only be one character at this point, and the userscript to concat ice daily output expects the default name to be used. See https://github.com/COSIMA/access-om3/issues/201

Author: anton-seaice

ice_in

@@ -5,6 +5,7 @@
   dumpfreq = "y"
   dump_last = .true.
   histfreq = "d", "m", "x", "x", "x"
+  hist_suffix = "", "m", "x", "x", "x" !limited to one character due to https://github.com/COSIMA/access-om3/issues/201
   hist_time_axis = "middle"
   history_deflate = 1
   history_chunksize = 180, 150