vchoi_fork

[svn-r12840] 
Description:
    Correct input file that, via doxygen, creates the C++ reference 
      manual paragraph that pointed to a now-removed release_docs/ file.  
      Original file was release_docs/INSTALL_Windows_withcpp.txt; 
      current file is release_docs/INSTALL_Windows.txt.
    Closes Bugzilla entry 719.
Tested:
    Trivial change; not tested.