Fixed -Wuninitialized warnings

plugins/channelrx/demodchirpchat/chirpchatdemodsink.cpp

@@ -477,7 +477,7 @@ unsigned int ChirpChatDemodSink::argmax(
 {
     magsqMax = 0.0;
     magsqTotal = 0.0;
-    unsigned int imax;
+    unsigned int imax = 0;
     double magSum = 0.0;
 
     for (unsigned int i = 0; i < fftMult*fftLength; i++)

plugins/samplesource/remoteinput/remoteinputbuffer.cpp

@@ -28,7 +28,6 @@
 RemoteInputBuffer::RemoteInputBuffer() :
         m_decoderSlots(nullptr),
         m_frames(nullptr),
-        m_decoderIndexHead(m_nbDecoderSlots/2),
         m_curNbBlocks(0),
         m_minNbBlocks(256),
         m_curOriginalBlocks(0),
@@ -47,6 +46,7 @@ RemoteInputBuffer::RemoteInputBuffer() :
 {
 	m_currentMeta.init();
     setNbDecoderSlots(16);
+    m_decoderIndexHead = m_nbDecoderSlots/2;
 	m_tvOut_sec = 0;
 	m_tvOut_usec = 0;
 	m_readNbBytes = 1;