Free5gc-stage-1 _add_pco_to_struct

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Hi,

I want to ask why _add_pco_to_struct needs to change the content from ascii_to_hex.

void _add_pco_to_struct(cJSON* json_key, ue_pco_t *ue_pco) {

cJSON *j_pco = cJSON_GetObjectItemCaseSensitive(json_key, JSONKEY_4G_PCO);
ue_pco->length = strlen(j_pco->valuestring) / 2;
core_ascii_to_hex(j_pco->valuestring, ue_pco->length * 2, ue_pco->buffer, ue_pco->length);

}

Thank you.