sixtop: fix doxygen parameter name
* \param code Code, 6P Command Identifier or Return Code, of an input packet
* \param body Body, "Other Fields", of an input packet
* \param body_len The length of body
- * \param body src_addr Source address of an input packet
+ * \param src_addr Source address of an input packet
*/
typedef void (* sixtop_sf_input)(sixp_pkt_type_t type,
sixp_pkt_code_t code,
