Prevent null pointer dereference in setup() if radio is not available.

src/main.cpp

@@ -658,7 +658,7 @@ void setup()
 
     if (!rIf)
         RECORD_CRITICALERROR(CriticalErrorCode_NoRadio);
-    else
+    else{
         router->addInterface(rIf);
 
         // Calculate and save the bit rate to myNodeInfo
@@ -667,7 +667,7 @@ void setup()
                         (float(rIf->getPacketTime(Constants_DATA_PAYLOAD_LEN)))
                         ) * 1000;
         DEBUG_MSG("myNodeInfo.bitrate = %f bytes / sec\n", myNodeInfo.bitrate);
-
+    }
 
     // This must be _after_ service.init because we need our preferences loaded from flash to have proper timeout values
     PowerFSM_setup(); // we will transition to ON in a couple of seconds, FIXME, only do this for cold boots, not waking from SDS