Remove unnecessary initialization i Added in r172668.

echristo already fixed this in r172649, but I'll leave the reformatting in
since I'm in the blame history for it now anyway.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172672 91177308-0d34-0410-b5e6-96231b3b80d8