* Prevent linux crash if OpenAL cannot be loaded

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8311 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/lwjgl-oal/com/jme3/audio/lwjgl/LwjglAudioRenderer.java

@@ -167,6 +167,10 @@ public class LwjglAudioRenderer implements AudioRenderer, Runnable {
             logger.log(Level.SEVERE, "Failed to load audio library", ex);
             audioDisabled = true;
             return;
+        } catch (UnsatisfiedLinkError ex){
+            logger.log(Level.SEVERE, "Failed to load audio library", ex);
+            audioDisabled = true;
+            return;
         }
 
         ALCdevice device = AL.getDevice();