tests/whql_hck_client_install.py: Convert file to unix format

Turns out that the file was in DOS/Windows format. I
suppose it was developed on a Windows box. Let's fix
that.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
whql_hck_client_install.py: Replace incompatible py 2.4 exit() call

We can get to the same result with a return statement

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #1321 from autotest/fix-character-encoding

Fix character encoding