Improved Swaping Method In sort.c

[Soumyadip Das Mahapatra]

Thanks Jan,
Actually it should be
static void u32_swap(void *a, void *b)
{
    *(u32 *)b ^= *(u32 *)a;
    *(u32 *)a ^= *(u32 *)b;
    *(u32 *)b ^= *(u32 *)a;
}
But this code saves memory equaling two integers. What about that ?




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