Resolve issue #4034, 'blame on files with non-native eol-style sees every line
as modified'.

* subversion/libsvn_client/blame.c
  (svn_client_blame5): Normalize to '\n' when eol style is native, but in all
    other cases normalize to the expected eol style.

* subversion/tests/cmdline/blame_tests.py
  (blame_eol_handling): Remove XFail marker. Use some helper variables
    to avoid duplicated code.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1434476 13f79535-47bb-0310-9956-ffa450edef68