Fixes config command in Ruby 1.9

Ivan Valdes (@ivanvc) · Ivan Valdes (@ivanvc) · commit 0e986047d759 · 2011-11-08T22:02:11.000-06:00
In 1.9, Dir.chdir accepts a block with one argument, that is the path
after it changed the directory.
diff --git a/lib/git/lib.rb b/lib/git/lib.rb
@@ -321,7 +321,7 @@ def config_remote(name)
     end
 
     def config_get(name)
-      do_get = lambda do
+      do_get = lambda do |path|
         command('config', ['--get', name])
       end
 
