for invalid view
 Permit SHOW CREATE VIEW, SHOW CREATE TABLE, and retrieval of metadata from
 information_schema for invalid views


mysql-test/r/information_schema.result:
  Fix for bug#13818 SHOW CREATE VIEW / TABLE and information_schema.views fail 
                    for invalid view
   test case
mysql-test/t/information_schema.test:
  Fix for bug#13818 SHOW CREATE VIEW / TABLE and information_schema.views fail 
                    for invalid view
   test case