hwint.h (HOST_BITS_PER_WIDE_INT, [...]): Use long long if it's wider than long and the target's long is wider than the...

* hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
if it's wider than long and the target's long is wider than the
host's.

From-SVN: r38820