Move kAudioUnitProperty_MaximumFramesPerSlice setting/query after initialisation

modules/juce_audio_devices/native/juce_ios_Audio.cpp

@@ -682,15 +682,20 @@ private:
         UInt32 framesPerSlice;
         UInt32 dataSize = sizeof (framesPerSlice);
 
-        if (AudioUnitSetProperty (audioUnit, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0, &actualBufferSize, sizeof (actualBufferSize)) == noErr
-               && AudioUnitGetProperty (audioUnit, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0, &framesPerSlice, &dataSize) == noErr
-               && dataSize == sizeof (framesPerSlice) && static_cast<int> (framesPerSlice) != actualBufferSize)
+        AudioUnitInitialize (audioUnit);
+
+        AudioUnitSetProperty (audioUnit, kAudioUnitProperty_MaximumFramesPerSlice,
+                              kAudioUnitScope_Global, 0, &actualBufferSize, sizeof (actualBufferSize));
+
+
+        if (AudioUnitGetProperty (audioUnit, kAudioUnitProperty_MaximumFramesPerSlice,
+                                  kAudioUnitScope_Global, 0, &framesPerSlice, &dataSize) == noErr
+            && dataSize == sizeof (framesPerSlice) && static_cast<int> (framesPerSlice) != actualBufferSize)
         {
             actualBufferSize = static_cast<int> (framesPerSlice);
             prepareFloatBuffers (actualBufferSize);
         }
 
-        AudioUnitInitialize (audioUnit);
         return true;
     }