Fix detection of Ruby on Windows for Ruby 2.2+.
Fix detection of Ruby on Windows for Ruby 2.2+.

* build/generator/gen_win_dependencies.py
  (SVNCommonLibrary._find_ruby): Use the RbConfig module, not the deprecated Config
   module; this aligns Ruby detection on Windows with the way it's done in swig.m4.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1689721 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion