Canonicalize 'i86pc' return from platform.machine() for Solaris
Canonicalize 'i86pc' return from platform.machine() for Solaris

i86pc may be either 32-bit or 64-bit, so use existing compiler checks
to determine if it should return 'x86' or 'x86_64'.

Signed-off-by: Alan Coopersmith <ea3248f8c2440b9439894eab21ef26209b22bacf@oracle.com>

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