MB-6487: python 2.4 does not support finally

Change-Id: Ib7061f4cda4be7feef4d19a2eb6d6d760fa3d7bc
Reviewed-on: http://review.couchbase.org/20356
Reviewed-by: Ronnie Sun <ronnie@couchbase.com>
Tested-by: Steve Yen <steve.yen@gmail.com>

pump_mbf.py

@@ -76,11 +76,10 @@ def check(opts, spec):
                         'state': state,
                         'checkpoint_id': row[3]
                         }
-            except sqlite3.DatabaseError, e:
-                pass # A missing vbucket_states table is expected.
-            finally:
                 cur.close()
                 db.close()
+            except sqlite3.DatabaseError, e:
+                pass # A missing vbucket_states table is expected.
 
         return 0, {'spec': spec,
                    'buckets':