Minor nits in build-svn-deps-win.pl.

* tools/dev/build-svn-deps-win.pl
  (build_openssl): Fix a nonsense comment.
  (httpd_fix_makefile): Remove a redundent backslash.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1467727 13f79535-47bb-0310-9956-ffa450edef68