Transceiver52M: Add missing scaling vector resize

Downlink scaling factors, which are stored in a vector for multiple
channels, was not being sized correctly.

Signed-off-by: Thomas Tsou <tom@tsou.cc>
diff --git a/Transceiver52M/radioInterfaceResamp.cpp b/Transceiver52M/radioInterfaceResamp.cpp
index 81b52fe..f898d65 100644
--- a/Transceiver52M/radioInterfaceResamp.cpp
+++ b/Transceiver52M/radioInterfaceResamp.cpp
@@ -111,6 +111,7 @@
 	convertSendBuffer.resize(1);
 	convertRecvBuffer.resize(1);
 	mReceiveFIFO.resize(1);
+	powerScaling.resize(1);
 
 	switch (type) {
 	case RadioDevice::RESAMP_64M: