[pygobject] HACKING: Update branch creation instructions to include -b

[Simon Feltman <sfeltman src gnome org>]

commit a863e5ec0ac27de49a0ae261fd3a78745cfe84a0
Author: Simon Feltman <sfeltman src gnome org>
Date:   Mon Mar 24 04:39:47 2014 -0700

    HACKING: Update branch creation instructions to include -b

 HACKING |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/HACKING b/HACKING
index fd8419d..acb9d26 100644
--- a/HACKING
+++ b/HACKING
@@ -20,7 +20,7 @@ Branching
 
 Each cycle after the feature freeze, we create a stable branch so development can continue in the master 
branch unaffected by the freezes.
 
-1. Create the branch locally with: git checkout pygobject-3-2
+1. Create the branch locally with: git checkout -b pygobject-3-2
 2. Push new branch: git push origin pygobject-3-2
 3. In master, update configure.ac to what will be the next version number (3.3.0)
 4. Announce the branching, send email telling people to continue development in master and cherry-picking 
the changes that are appropriate for the stable branch