Fix no-return-in-nonvoid-function
Fix no-return-in-nonvoid-function

RPM post-build-checks found some issues and marks these as errors.

I: Program returns random data in a function
E: openbts-public no-return-in-nonvoid-function QueuedMsgHdrs.h:63, 153, 179

endaga/smqueue,RangeNetworks/smqueue,endaga/smqueue,RangeNetworks/smqueue,RangeNetworks/smqueue,endaga/smqueue