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![William King](https://secure.gravatar.com/avatar/2802da51eb43fc328f016a0378a2aa23.jpg?s=96&d=mm)
William King committed 388e119e555
CID: 1214221,1214222 sip_header_as_string returns new memory alloc'd on the nua_handle's memory pool. This memory would not be freed until the handle was destroyed. Since there is no usage of the call-info header after it is added to the event as a header value, we should make sure to both su_free the sofia returned string, but also more cleanly create the event header value to reduce a strdup.