iOS audio session interruption change.

modules/juce_audio_devices/native/juce_ios_Audio.cpp

@@ -381,7 +381,9 @@ private:
     {
         if (interruptionType == kAudioSessionBeginInterruption)
         {
-            close();
+            isrunning = false;
+            AudioOutputUnitStop (audioUnit);
+            AudioSessionSetActive (false);
 
             const ScopedLock sl (callbackLock);