Add test for blaming CR-only files (as fixed in r20052).
Add test for blaming CR-only files (as fixed in r20052).

Patch by: lgo

* subversion/tests/cmdline/blame_tests.py
  (blame_eol_styles): New. Test blame of file with CR line endings.
  (test_list): Add blame_eol_styles.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion