build the new protocol files

src/CMakeLists.txt

@@ -13,6 +13,7 @@ SET(PROTO_FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/com/protobuf/AircraftReport.proto
     ${CMAKE_CURRENT_SOURCE_DIR}/com/protobuf/AircraftSchedule.proto
     ${CMAKE_CURRENT_SOURCE_DIR}/com/protobuf/BaseTypes.proto
+    ${CMAKE_CURRENT_SOURCE_DIR}/com/protobuf/Communication.proto
 )
 
 # generate the Protobuf C++ files