Set svn:eol-style native on several files.

* subversion/bindings/ctypes-python/README
* subversion/bindings/cxxhl/README
* subversion/include/private/README
* subversion/include/private/svn_cert.h
* subversion/libsvn_subr/bit_array.c
* subversion/libsvn_subr/utf8proc/README
* subversion/mod_dav_svn/status.c
* subversion/tests/libsvn_subr/bit-array-test.c
* subversion/tests/manual/README
  Set native svn:eol-style.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1621954 13f79535-47bb-0310-9956-ffa450edef68