hide_view_error() does not take into account that thread query may be killed.
Added a check for thd->killed.
Addon: backported bug32140 fix from 6.0


mysql-test/r/sp_notembedded.result:
  test case
mysql-test/t/sp_notembedded.test:
  test case
sql/sp.cc:
  backported bug32140 fix from 6.0
sql/table.cc:
  Added a check for thd->killed.