A string buffers which were included in the 'view' data structure
were allocated on the stack, causing an invalid pointer when used
after the function returned.
The fix: use copy of values for view->md5 & view->queries


mysql-test/r/view.result:
  test result
mysql-test/t/view.test:
  test case
sql/sql_view.cc:
  A string buffers which were included in the 'view' data structure
  were allocated on the stack, causing an invalid pointer when used
  after the function returned.
  The fix: use copy of values for view->md5 & view->queries