[PATCH] Also install diagnostics.h

[Nick Clifton]

Hi H.J.

>>> bfd/
>>>
>>>       PR binutils/23146
>>>       * bfd-in.h: Include "diagnostics.h".
>>>       * bfd-in2.h: Regenerated.

> Here is a patch.  OK for master and 2.31 branch?

Approved - please apply (both master and branch).

Cheers
  Nick