[rhythmbox] update HACKING to mention git rather than svn (bug #635323)

[Jonathan Matthew <jmatthew src gnome org>]

commit b709a9717047d453c625744919aa4a9522a87cf3
Author: Jonathan Matthew <jonathan d14n org>
Date:   Sun Dec 5 08:56:31 2010 +1000

    update HACKING to mention git rather than svn (bug #635323)

 HACKING |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/HACKING b/HACKING
index 8fbb1bf..2aacb52 100644
--- a/HACKING
+++ b/HACKING
@@ -22,11 +22,11 @@ bindings, but these are generally fixed quickly.
 You can find some information on plugin development here: 
 http://live.gnome.org/RhythmboxPlugins/WritingGuide
 
-Rhythmbox is developed in GNOME Subversion. You can get an anonymous checkout
-by running 'svn co http://svn.gnome.org/svn/rhythmbox/trunk rhythmbox'.  Any
-patches you send should be in unified diff format against current svn trunk.
-You can also browse the source code and revision history using a web browser
-here: http://svn.gnome.org/viewvc/rhythmbox/trunk.
+Rhythmbox is developed in GNOME git. You can get a copy of the repository
+by running 'git clone git://git.gnome.org/rhythmbox'.  Any patches you
+send should be in 'git format-patch' or 'git diff' format against current
+git master.  You can also browse the source code and revision history using
+a web browser here: http://git.gnome.org/browse/rhythmbox.
 
 Bugs and feature requests are tracked in GNOME Bugzilla
 (http://bugzilla.gnome.org/) under the 'rhythmbox' product.  Patches should be