clang-format: Fix range-based for-loop formatting.

Before:
  for (aaaaaaaaa aaaaaaaaaaaaaaaaaaaaa : aaaaaaaaaaaa.aaaaaaaaaaaa()
           .aaaaaaaaa()
           .a()) {
  }

After:
  for (aaaaaaaaa aaaaaaaaaaaaaaaaaaaaa :
       aaaaaaaaaaaa.aaaaaaaaaaaa().aaaaaaaaa().a()) {
  }

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@200968 91177308-0d34-0410-b5e6-96231b3b80d8