Added a test case for bug #10031.
opt_range.cc:
  Fixed bug #10031: range condition was not used with
  views. Range analyzer did not take into account that
  view columns were always referred through Item_ref.


sql/opt_range.cc:
  Fixed bug #10031: range condition was not used with
  views. Range analyzer did not take into account that
  view columns were always referred through Item_ref.
mysql-test/t/range.test:
  Added a test case for bug #10031.
mysql-test/r/range.result:
  Added a test case for bug #10031.