Fix bsd-user compile like r6412

    munmap(p, *p);

}

void *qemu_realloc(void *ptr, size_t size)

{

    size_t old_size, copy;

    void *new_ptr;

    old_size = *(size_t *)((char *)ptr - 16);

    copy = old_size < size ? old_size : size;

    new_ptr = qemu_malloc(size);

    memcpy(new_ptr, ptr, copy);

    qemu_free(ptr);

    return new_ptr;

}

/* NOTE: all the constants are the HOST ones, but addresses are target. */

int target_mprotect(abi_ulong start, abi_ulong len, int prot)

{