Remove comma at the end of the enum

Required for public header cleanliness

Change-Id: I2641fd085071b2a69806e8622c7c35be74f744b1
Reviewed-by: Jonas Rabbe <jonas.rabbe@gmail.com>

src/multimedia/audio/qsound.h

@@ -57,7 +57,7 @@ class Q_MULTIMEDIA_EXPORT QSound : public QObject
 public:
     enum Loop
     {
-        Infinite = -1,
+        Infinite = -1
     };
 
     static void play(const QString& filename);