[PATCH] utils/llvm-lit: Generate "llvm-lit.py" rather than "llvm-lit" on Win32 hosts to let llvm-lit.py --use-processes work.

[NAKAMURA Takumi]

  Committed in r196328.

  Anyways, even on msys bash, suffix-less script would not make sense. ;)

http://llvm-reviews.chandlerc.com/D2313