fixed ALTER VIEW syntax
fixed WITH CHECK OPTION clause printing in SHOW CREATE VIEW


mysql-test/r/view.result:
  test of VIEW altering
mysql-test/t/view.test:
  test of VIEW altering
sql/lex.h:
  explicitly mentioned undefined algorithm
sql/sql_show.cc:
  explicitly mentioned undefined algorithm
  added printing WITH CHECK OPTION clause
sql/sql_view.cc:
  test of DELETE privilege and cyclic reference added in case of altering view
  effective and requested WITH CHECK OPTION parameters divided
sql/sql_yacc.yy:
  fixed ALTER VIEW
sql/table.cc:
  effective and requested WITH CHECK OPTION parameters divided
sql/table.h:
  effective and requested WITH CHECK OPTION parameters divided