Avoid unnecessary line breaks in nested ObjC calls.

Before:
  [pboard setData:[NSData dataWithBytes:&button
                                 length:sizeof(button)]
          forType:kBookmarkButtonDragType];
After:
  [pboard setData:[NSData dataWithBytes:&button length:sizeof(button)]
          forType:kBookmarkButtonDragType];

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174701 91177308-0d34-0410-b5e6-96231b3b80d8