Transceiver52M: Use independent power scaling varables for each channel

Simply vectorize the existing power state variable.

Signed-off-by: Thomas Tsou <tom@tsou.cc>
diff --git a/Transceiver52M/radioInterfaceResamp.cpp b/Transceiver52M/radioInterfaceResamp.cpp
index 6f14a42..81b52fe 100644
--- a/Transceiver52M/radioInterfaceResamp.cpp
+++ b/Transceiver52M/radioInterfaceResamp.cpp
@@ -238,7 +238,7 @@
 
 	convert_float_short(convertSendBuffer[0],
 			    (float *) outerSendBuffer->begin(),
-			    powerScaling, 2 * outer_len);
+			    powerScaling[0], 2 * outer_len);
 
 	num_sent = mRadio->writeSamples(convertSendBuffer,
 					outer_len,