#596 RunesGame doesnt crash on pause anymore...

core/src/cz/nic/tablexia/game/games/runes/RunesGame.java

@@ -204,8 +204,10 @@ public class RunesGame extends AbstractTablexiaGame<RunesGameState> {
                 if ((int) getData().getTime() < RunesGameProperties.GAME_TIME && timeBar.getState()!= TimeBar.TimeBarState.FREEZE) {
                     getData().addTime(delta);
                     timeBar.setCurrentPercentage(getData().getTime() / (float) RunesGameProperties.GAME_TIME);
-                    if ((int)getData().getTime() > START_SOUND_BOUND && endingSound == null) {
-                        endingSound = getMusic(RunesGameAssets.CLOCK_SOUND);
+                    if ((int)getData().getTime() > START_SOUND_BOUND) {
+                        if(endingSound == null)
+                            endingSound = getMusic(RunesGameAssets.CLOCK_SOUND);
+
                         endingSound.play();
                     }
                 } else {
@@ -227,7 +229,7 @@ public class RunesGame extends AbstractTablexiaGame<RunesGameState> {
                 timeBar.performStep();
             }
         }else {
-            if (endingSound.isPlaying()) endingSound.pause();
+            if (endingSound != null) endingSound.pause();
         }
     }