clang-format: Quickfix for braced init lists detected as lambdas.

Before:
  constexpr char hello [] { "hello" };

After:
  constexpr char hello[]{ "hello" };

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190046 91177308-0d34-0410-b5e6-96231b3b80d8