A bit OT, I've noticed the following output today:
% git clone git://repo.or.cz/girocco.git
Initialized empty Git repository in /home/nicolas/dev/official_packages/girocco/.git/
remote: Counting objects: 3017, done.
g objects: 100% (994/994), done.
remote: Total 3017 (delta 1911), reused 2988 (delta 1896)
Receiving objects: 100% (3017/3017), 403.99 KiB | 309 KiB/s, done.
Resolving deltas: 100% (1911/1911), done.
%
Notice the "g " at the begining at the 3th line. This is reproducible.
% git --version
git version 1.6.5.2.352.g8b8744
I can provide more test or bissect it if wanted.