i'm an idiot and forget to initialize the mutex...
i'm an idiot and forget to initialize the mutex...


git-svn-id: 2651544ca1192b205e0a62ba5b871abae0f93332@1782 4f504ea5-f356-0410-adec-f1b3679f3bb7

chen0510566/ach,chen0510566/ach,golems/ach,golems/ach,golems/ach,golems/ach,chen0510566/ach,golems/ach,chen0510566/ach,chen0510566/ach,chen0510566/ach,golems/ach