[PATCH] macdrv: Don't update clipboard if its content didn't change

[Piotr Caban]

On 05/30/17 06:40, Ken Thomases wrote:
> Since the vast majority of apps will call -clearContents or -declareTypes:owner: each time they modify the pasteboard, I'm willing to accept a version of this change.  Do you mind restoring the tracking and checking of last_types, so that we grab the Win32 clipboard if either the change count or the available types has changed?
Sure, I'll send a new patch.

Thanks,
Piotr