add handover cancel ack msg

src/NgapSmfLayer/ng_pdu_handover_cancel_acknowledge.h

+#ifndef  NG_PDU_HANDOVER_CANCEL_ACKNOWLEDGE_H_
+#define  NG_PDU_HANDOVER_CANCEL_ACKNOWLEDGE_H_
+
+int make_NGAP_PduHandOverCancelAck(const char *inputBuf, const char *outputBuf);
+
+#endif
+

src/smf_app/CMakeLists.txt

@@ -52,6 +52,7 @@ add_library (SMF STATIC
   ${SRC_TOP_DIR}/NgapSmfLayer/ng_pdu_path_switch_request.c
   ${SRC_TOP_DIR}/NgapSmfLayer/ng_pdu_path_switch_request_failure.c
   ${SRC_TOP_DIR}/NgapSmfLayer/ng_pdu_handover_cancel.c
+  ${SRC_TOP_DIR}/NgapSmfLayer/ng_pdu_handover_cancel_acknowledge.c
   smf_app.cpp
   smf_config.cpp
   smf_context.cpp

src/smf_app/smf_app.cpp

@@ -64,6 +64,8 @@ extern "C"{
 #include "../NgapSmfLayer/ng_pdu_path_switch_request.h"
 #include "../NgapSmfLayer/ng_pdu_path_switch_request_failure.h"
 #include "../NgapSmfLayer/ng_pdu_handover_cancel.h"
+#include "../NgapSmfLayer/ng_pdu_handover_cancel_acknowledge.h"
+
 }
 
 #include <stdexcept>
@@ -2422,6 +2424,7 @@ void smf_app::create_n2_sm_information(std::shared_ptr<itti_n11_create_sm_contex
 	make_NGAP_PduPathSwitchRequest("","");
 	make_NGAP_PduPathSwitchRequestFailure("","");
 	make_NGAP_PduHandOverCancel("","");
+	make_NGAP_PduHandOverCancelAck("","");
 	
 	//make_NGAP_PduSessionResourceReleaseCommand("", "");