vchoi_fork

[svn-r29710] Purpose: Code improvements
Description:
    - Replaced "goto out" and "out:" with "goto error" and "error:" to indicate
      the failure situations.
    - Replaced old-style casts with static_cast to remove warnings.
Platforms tested:
    Linux/32 2.6 (jam)
    Linux/64 (platypus)
    Darwin (osx1010test)