clang-format: No space between ")" and braced init list.

Before:
  auto j = decltype(i) {};

After:
  auto j = decltype(i){};

This fixes llvm.org/PR19892.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@210013 91177308-0d34-0410-b5e6-96231b3b80d8