[clang-move] Fix the incorrect expansion end location.

Summary:
Before the fix, if clang-move decides to move the following macro statement, it only moves the first line `DEFINE(A,`.

```
DEFINE(A,
       B);
```

Reviewers: ioeric

Reviewed By: ioeric

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D43174

llvm-svn: 324886