made the host pool limit the number of contacted nodes if the total number of...

made the host pool limit the number of contacted nodes if the total number of avalbile nodes is less than the number to be initally contacted

network/gateway/hostPool.go

@@ -205,6 +205,9 @@ func (h *HostPool) initialize(startIdx uint32) error {
 	}
 	numGatewaysToTry := h.poolParams.MaxPings
 	numGateways := uint32(len(randomGateways))
+	if numGatewaysToTry>numGateways{
+		numGatewaysToTry = numGateways
+	}
 	resultList := make([]gatewayDuration, 0, numGatewaysToTry)
 
 	// Begin trying gateways