we had the following compile warning:
prt-get.cpp: In member function 'virtual SignalHandler::HandlerResult PrtGet::handleSignal(int)':
prtget.cpp:1628:1: warning: no return statement in function returning non-void [-Wreturn-type] }
which leads to a segfault if we compile prt-get with optimalization, e.g. -O2,
and interrupt prt-get with ^C