FIX: test_basic, 64 bit truncation - use "long long" for a 64 bit type on      gcc/Linux.
FIX: test_basic, 64 bit truncation - use "long long" for a 64 bit type on
     gcc/Linux.

    I used uint64_t, but I should have used "long long" instead.

1.1 -> trunk.
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e --include-merges or -n0 to see merged revisions.

imb/fctx,imb/fctx,imb/fctx,imb/fctx