Fix memory leak in sampleconverter.cpp

src/audio/audiortp.cpp

@@ -142,6 +142,8 @@ AudioRtpRTX::~AudioRtpRTX () {
   delete [] spkrDataConverted; spkrDataConverted = NULL;
 
   delete time; time = NULL;
+
+  delete converter; converter = NULL;
 }
 
   void

src/sipcall.cpp

@@ -231,6 +231,7 @@ void SIPCall::sdpAddMediaDescription(pj_pool_t* pool)
     med->desc.fmt_count = count;
     
     int i = 0;
+
     while(itr != _codecMap.getActiveCodecs().end()) {
         std::ostringstream format;
         format << *itr;