Fix bitmap_sfu() regression.
Fix bitmap_sfu() to shift by LG_BITMAP_GROUP_NBITS rather than hard-coded 6 when using linear (non-USE_TREE) bitmap search. In practice this affects only 64-bit systems for which sizeof(long) is not 8 (i.e. Windows), since USE_TREE is defined for 32-bit systems. This regression was caused by b8823ab02607d6f03febd32ac504bb6188c54047 (Use linear scan for small bitmaps). This resolves #368.
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@ -223,7 +223,7 @@ bitmap_sfu(bitmap_t *bitmap, const bitmap_info_t *binfo)
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i++;
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g = bitmap[i];
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}
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bit = (bit - 1) + (i << 6);
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bit = (bit - 1) + (i << LG_BITMAP_GROUP_NBITS);
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#endif
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bitmap_set(bitmap, binfo, bit);
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return (bit);
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