[O] org-clock-report by hours

[Nikolay Kudryavtsev]

Hello.

Recently I've updated my org to a newer version and it by default uses 
days in clock reports.

In the earlier version I had something like this:
*Total time*                         | *28:40*

Now I get this:
 *Total time*                             | *1d 4:40*

How can I get the old behavior back? I've tried searching for a variable 
that controls this, but could not find it.

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Best Regards,
Nikolay Kudryavtsev