size for degraded mode incremental is for full backup

[opoplawski]

Noticed the following running 3.5.4:

pondering stor-bld03:/export/backup/beregmegye... next_level0 -4 last_level 3 (due for level 0) (picking inclevel for degraded mode)   pick: size 568618 level 3 days 5 (thresh 512000K, 1 days)

  curr level 0 nsize 3018983367 csize 2013865687 total size 3889160799 total_lev0 3833832052 balanced-lev0size 995707077
...
  stor-bld03 /export/backup/beregmegye pri 5 lev 0 nsize 3018983367 csize 2013865687

regular schedule:

  stor-bld03           /export/backup/beregmegye lv 0 t 11352 s 2013865728 p 5

degraded schedule:

  stor-bld03           /export/backup/beregmegye lv 3 t    89 s 2013865728 p 5

Notice that in the degraded schedule the size is listed the same as the original full dump.