Merging r182585:

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r182585 | aaronballman | 2013-05-23 07:55:00 -0700 (Thu, 23 May 2013) | 1 line

Setting the default value (fixes CRT assertions about uninitialized variable use when doing debug MSVC builds), and fixing coding style.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_33@182830 91177308-0d34-0410-b5e6-96231b3b80d8