message: backend: typo in CMakeLists.txt
diff: @@ -17,7 +17,7 @@ function(compile_proto_pb COMPONENT_NAME PB_COMPILED_SOURCE)
  set(PB_COMPILED_SOURCE ${COMPONENT_NAME}/${COMPONENT_NAME}.pb.cc PARENT_SCOPE)
  endfunction()
  -function(compile_proto_grpc COMPONENT_NAME GRPC_COMPILED_SOURCES)
  +function(compile_proto_grpc COMPONENT_NAME GRPC_COMPILED_SOURCE)
  add_custom_command(OUTPUT ${COMPONENT_NAME}/${COMPONENT_NAME}.grpc.pb.cc
  DEPENDS ${PROTO_DIR}/${COMPONENT_NAME}/${COMPONENT_NAME}.proto
  COMMAND ${PROTOC_BINARY}
  