Fix memory leak in AudioOutputPulseAudio(). The code in question seem…

…s to serve no purpose but on the offchance that I'm wrong I've kept in place and just ensured that we cleanup after it.

mythtv/libs/libmyth/audio/audiooutputpulse.cpp

@@ -34,7 +34,11 @@ AudioOutputPulseAudio::AudioOutputPulseAudio(const AudioSettings &settings) :
     for (unsigned int i = 0; i < PA_CHANNELS_MAX; ++i)
         volume_control.values[i] = PA_VOLUME_MUTED;
 
-    ChooseHost();
+    // FIXME What's this all about? It's a const method, it doesn't modify the
+    // state and we ignore the result
+    char *pulse_host = ChooseHost();
+    delete[] pulse_host;
+    //
 
     InitSettings(settings);
     if (settings.init)