message: Link grpctest with libgrpc_unsecure explicitly
diff: @@ -235,7 +235,7 @@ if(FLATBUFFERS_BUILD_GRPCTEST)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-parameter -Wno-shadow")
  endif()
  add_executable(grpctest ${FlatBuffers_GRPCTest_SRCS})
  - target_link_libraries(grpctest grpc++_unsecure pthread dl)
  + target_link_libraries(grpctest grpc++_unsecure grpc_unsecure pthread dl)
  endif()
  if(FLATBUFFERS_INSTALL)
  