corregit: bug en Audio::fadeOutMusic quan la musica no es reproduia en bucle

source/audio.cpp

@@ -100,13 +100,33 @@ void Audio::stopAllSounds() const {
 
 // Realiza un fundido de salida de la música
 void Audio::fadeOutMusic(int milliseconds) const {
-    if (music_enabled_ && music_.state == MusicState::PLAYING) {
+    if (music_enabled_ && getRealMusicState() == MusicState::PLAYING) {
 #ifndef NO_AUDIO
         JA_FadeOutMusic(milliseconds);
 #endif
     }
 }
 
+// Consulta directamente el estado real de la música en jailaudio
+auto Audio::getRealMusicState() const -> MusicState {
+#ifndef NO_AUDIO
+    JA_Music_state ja_state = JA_GetMusicState();
+    switch (ja_state) {
+        case JA_MUSIC_PLAYING:
+            return MusicState::PLAYING;
+        case JA_MUSIC_PAUSED:
+            return MusicState::PAUSED;
+        case JA_MUSIC_STOPPED:
+        case JA_MUSIC_INVALID:
+        case JA_MUSIC_DISABLED:
+        default:
+            return MusicState::STOPPED;
+    }
+#else
+    return MusicState::STOPPED;
+#endif
+}
+
 // Establece el volumen de los sonidos
 void Audio::setSoundVolume(int sound_volume, Group group) const {
     if (sound_enabled_) {