go: fix head URL

Closes Homebrew/legacy-homebrew#34918.
Homebrew · Dec 12, 2014 · 3947b1d · 3947b1d
1 parent c6f3935
commit 3947b1d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Formula/go.rb b/Formula/go.rb
@@ -2,7 +2,7 @@
 
 class Go < Formula
   homepage 'http://golang.org'
-  head 'https://go.googlesource.com/go'
+  head 'https://go.googlesource.com/go', :using => :git
   url 'https://storage.googleapis.com/golang/go1.4.src.tar.gz'
   version '1.4'
   sha1 '6a7d9bd90550ae1e164d7803b3e945dc8309252b'