ssh: Fix allocation of pinentry buffer

[Werner Koch]

On Mon, 28 Sep 2015 10:54, gniibe at fsij.org said:

> I changed the pointer calculation using the cast to (char *), but it
> is wrong still, because it doesn't care about alignment of the
> structure.  It should be rounded up to the alignment.

Yep.  We better do separate mallocs for PI and PI2.  Overoptimizing
things is never good.


Salam-Shalom,

   Werner

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