Wrong method for creating temporary field was choosen, which results in
sending int field with int header but lonlong data.

Test case is added to mysql_client_test.c because client library is required
to test the bug.



tests/mysql_client_test.c:
  Test case for bug#11111 "fetch from view returns wrong data"
sql/sql_select.cc:
  Fix bug #11111 "fetch from view returns wrong data"
sql/item.h:
  Fix bug #11111 "fetch from view returns wrong data"