http://bugs.winehq.org/show_bug.cgi?id=3963
------- Additional Comments From truiken@gmail.com 2006-25-01 01:21 ------- -R means reverse so I don't think you want that. As the error message states, you used the wrong -p option.
patch -p0 -i nameofpatch.diff
You have to run the command from within the wine directory.