[PATCH 0/3] cleanup libgcrypt warnings

[NIIBE Yutaka]

Hello,

Rudi Heitbaum wrote:
> Rudi Heitbaum (3):
>   tests: Cast to void to suppress warnings about unused variables
>   cipher: remove unused variable idx from _gcry_pk_get_keygrip function
>   Update to return a pointer to a const-qualified type to fix warning

Thank you for your work.

I applied the second and the third patches to libgcrypt (which are
uncontroversial, simple and no problem).  Pushed master.
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