genCanMsgs, especially when used in tail mode, did not work right if 0 messages have been received. This is due to the receive mailbox not yet being created. This commit resolves that issue
genCanMsgs, especially when used in tail mode, did not work right if 0 messages have been received. This is due to the receive mailbox not yet being created. This commit resolves that issue

atlas0fd00m/CanCat,atlas0fd00m/CanCat,atlas0fd00m/CanCat