don't break on OpenAL error

Index: backends/gdx-backend-lwjgl/src/com/badlogic/gdx/backends/lwjgl/audio/OpenALMusic.java
--- backends/gdx-backend-lwjgl/src/com/badlogic/gdx/backends/lwjgl/audio/OpenALMusic.java.orig
+++ backends/gdx-backend-lwjgl/src/com/badlogic/gdx/backends/lwjgl/audio/OpenALMusic.java
@@ -78,7 +78,7 @@ public abstract class OpenALMusic implements Music {
 				alGenBuffers(buffers);
 				int errorCode = alGetError();
 				if (errorCode != AL_NO_ERROR)
-					throw new GdxRuntimeException("Unable to allocate audio buffers. AL Error: " + errorCode);
+					System.out.println("Unable to allocate audio buffers. AL Error: " + errorCode);
 			}
 			alSourcei(sourceID, AL_LOOPING, AL_FALSE);
 			setPan(pan, volume);
