#92 DeprecationWarning with python2.6

From https://bugs.launchpad.net/bugs/339844

/usr/share/games/fretsonfire/game/Song.py:31: DeprecationWarning: the sha module is deprecated; use the hashlib module instead
import sha

[Nobody/Anonymous]

the following patch should fix it:

Index: src/Song.py

--- src/Song.py (Revision 182)
+++ src/Song.py (Arbeitskopie)
@@ -28,7 +28,7 @@
import re
import shutil
import Config
-import sha
+import hashlib
import binascii
import Cerealizer
import urllib