* Undo previous commit that breaks the test.

* Undo previous commit that breaks the test.
* Correct the test to work when srcdir == objdir.

NOTE: Since multiple tests run from the same source archive and llvm-ranlib
changes the archive, these tests MUST work on a copy of the archive or else
this test corrupts the archive file subsequent tests or subsequent runs of
the test suite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18093 91177308-0d34-0410-b5e6-96231b3b80d8