Have a look at this thread started by @john_coburg. We resolved a similar issue:
Also, if you are following the same github instructions as mentioned in the above link then make sure you installed the full GnuWin32 libraries, not just the patch executable. As well as included the GnuWin32\bin folder in your PATH environment variable. Also, make sure you are using \ for directory separators if on Windows OS, and make sure you are in the liberlink directory when running the patch command.