fifoipc.cpp: Do not pass along empty messages to Controller.
fifoipc.cpp: Do not pass along empty messages to Controller.

Pelagicore/softwarecontainer,tobsan/softwarecontainer,thenor/softwarecontainer,kursatkobya/softwarecontainer,frznlogic/softwarecontainer,tobsan/softwarecontainer,frznlogic/softwarecontainer,Pelagicore/softwarecontainer,tobsan/softwarecontainer,kursatkobya/softwarecontainer,frznlogic/softwarecontainer,Pelagicore/softwarecontainer,kursatkobya/softwarecontainer,thenor/softwarecontainer,tobsan/softwarecontainer,DunderRoffe/softwarecontainer,kursatkobya/softwarecontainer,Pelagicore/softwarecontainer,frznlogic/softwarecontainer,DunderRoffe/softwarecontainer,thenor/softwarecontainer,DunderRoffe/softwarecontainer,DunderRoffe/softwarecontainer,thenor/softwarecontainer