- grow the decompression buffer more aggressively if we have   a high compression ratio, e.g. for ping -s 10000 -p aa - deal with inflate returning Z_BUF_ERROR if the output buffer is full.   this can happen in some edge cases with upgraded libz from 2004 ok mikeb@
- grow the decompression buffer more aggressively if we have
  a high compression ratio, e.g. for ping -s 10000 -p aa
- deal with inflate returning Z_BUF_ERROR if the output buffer is full.
  this can happen in some edge cases with upgraded libz from 2004
ok mikeb@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars