Add a partial fix for matching filenames for aliens. This fixes a bug for out of source builds.
Add a partial fix for matching filenames for aliens.
This fixes a bug for out of source builds.

HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit