[ADCE] Don't indent inside an anonymous namespace

To be consistent with what clang-format does, don't add extra indentation
inside an anonymous namespace. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229412 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed