Add missing print format and missing ws in log message

This is to add missing print format parameter and missing white
spaces in the log message.

Change-Id: I76f790f98a9f7f2c7f0cbbbed1d50f5ec057b8c8

freezer/openstack/admin.py

@@ -140,8 +140,8 @@ class AdminOs(object):
                                         % (backup.id, del_backup[0].status))
                     if (del_backup[0].status == 'deleting') \
                             and (int(time.time()) - start_time > timeout):
-                        LOG.error("Delete backup %s failed, In a state of"
-                                  "deleting over 120s")
+                        LOG.error("Delete backup %s failed, In a state of "
+                                  "deleting over 120s", backup.id)
                         raise Exception(
                             "Delete backup %s failed due to timeout over 120s,"
                             " the status of backup is %s."