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Fix collections list_pop_front bug.
* Thanks to Rocky Song for finding the bug.
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@ -294,7 +294,9 @@ void list_pop_front(list_t *ptr, void *data)
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memcpy(data, tmp->data, ptr->data_len);
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}
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tmp->next_ptr->prev_ptr = NULL;
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if (tmp->next_ptr) {
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tmp->next_ptr->prev_ptr = NULL;
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}
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ptr->head_ptr = tmp->next_ptr;
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ptr->size -= 1;
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xfree(tmp);
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