mozilla/rust — pull request #9748 by klutzy (2013-10-07 09:39:08+00:00)
Title: Makefile: Get git revision correctly on Windows

Fixes that `rustc.exe -v` didn't show git revision hash.
It was because `$(wildcard $(CFG_GIT))` requires space-escaped inputs
while `$(CFG_GIT)` is usually `C:\Program Files (x86)\Git\bin\git.exe`.