fixed environment creation and cleaning up for processing view one by one during checking (BUG#11337)


mysql-test/r/view.result:
  checking views after some view with error (BUG#11337)
mysql-test/t/view.test:
  checking views after some view with error (BUG#11337)
sql/sql_lex.cc:
  environment cleaning up for processing view one by one
sql/sql_lex.h:
  methods for lex cleunup during view processing one by one
sql/sql_table.cc:
  fixed environment creation and cleaning up for processing view one by one (BUG#11337)