Fix VS2005-style lib.exe calling

VS2005's lib.exe calls link.exe with its own unmodified command line (so
link.exe believes it's symlinked to lib.exe). Threat "lib.exe" in the
command line as a synonym for "link.exe" to allow Supalink to work in
this case.
Merge pull request #1 from gstefanik/master

Fix VS2005-style lib.exe calling