* build/generator/gen_win_dependencies.py
  (parse_options): Following up on r1533907, remove duplicated VS 2012 block
    and create a VS 2012 compatible solution file, as VS 2013 writes solutions
    in this format when it determines projects are backwards compatible, such
    as our .vcxproj files.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1533958 13f79535-47bb-0310-9956-ffa450edef68