Close handler when loading fails + volatile gg

Author: devgianlu

core/src/main/java/xyz/gianlu/librespot/player/PlayerRunner.java

@@ -418,6 +418,7 @@ public void run() {
                                 handler.load((int) cmd.args[1]);
                             } catch (IOException | LineHelper.MixerException | Codec.CodecException | ContentRestrictedException | MercuryClient.MercuryException | CdnManager.CdnException ex) {
                                 listener.loadingError(handler, handler.playable, ex);
+                                handler.close();
                             }
                             break;
                         case PushToMixer:

core/src/main/java/xyz/gianlu/librespot/player/mixing/MixingLine.java

@@ -23,7 +23,7 @@ public class MixingLine extends InputStream {
     private volatile boolean se = false;
     private volatile float fg = 1;
     private volatile float sg = 1;
-    private float gg = 1;
+    private volatile float gg = 1;
 
     public MixingLine(@NotNull AudioFormat format) {
         this.format = format;