[Issue#] N/A
[Problem] NULL poiter dereference in SocketManager.
[Cause] Pointer to SocketManager was not set in SignalService.
[Solution] Set pointer in SignalService.
[Verification] Run command "systemctl restart security-server.service".
Security-server should restart without any errors.
Change-Id: I79e8c581c5a1d6479509713634a81521a947bfeb
// add support for TERM signal (passed from systemd)
auto *signalService = new SignalService;
+ signalService->SetSocketManager(this);
int filefd = signalService->GetDescriptor();
if (-1 == filefd) {
LogError("Error in SignalService.GetDescriptor()");