Fix RecordingDevice:start().

--HG--
branch : minor

src/modules/audio/RecordingDevice.h

@@ -76,6 +76,11 @@ public:
 	 **/
 	virtual int getSampleCount() const = 0;
 
+	/**
+	 * Gets the maximum number of samples that will be buffered, as set by start().
+	 **/
+	virtual int getMaxSamples() const = 0;
+
 	/**
 	 * @return Sample rate for recording.
 	 **/