Submodule update to latest version

Sebastian Thiel · Sebastian Thiel · commit a2b9ac303377 · 2012-07-23T20:56:34.000+02:00
diff --git a/git/ext/gitdb b/git/ext/gitdb
@@ -1 +1 @@
-Subproject commit 656a2e0b4da7d60ac638d1615751a89efb3a4eee
+Subproject commit e96d2c381ef06667726eb745c67357de9d2a88fb
