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

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

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

llvm-svn: 200968