mysql-test/r/query_cache.result:
  testing cursors in SP with QC
  testing suspicious but working using selects in function with QC
mysql-test/t/query_cache.test:
  testing cursors in SP with QC
  testing suspicious but working using selects in function with QC
sql/sp_head.h:
  method for prohibiting of QC using SP query
sql/sp_rcontext.cc:
  prohibit opening Query cache for SP cursors
sql/sp_rcontext.h:
  constructor moved to .cc file to be able to use methods from lex_keeper