Do not reference invalid dbfr_t in pivot's output phase.
Do not reference invalid dbfr_t in pivot's output phase.

src/pivot/pivot.c (pivot): instead of sizing pivot_label based on
  in_reader->current_line_sz, track the largest such value before closing
  each input file, and use that result for buffer allocation.

google/crush-tools,lexsf/crush-tools,lexsf/crush-tools,google/crush-tools,lexsf/crush-tools,lexsf/crush-tools,lexsf/crush-tools,google/crush-tools,google/crush-tools,lexsf/crush-tools,google/crush-tools,google/crush-tools,lexsf/crush-tools,google/crush-tools