fixed audio seemingly

lib/gamepad/audio.c

@@ -31,7 +31,7 @@ typedef struct {
     uint32_t video_format;
 } AudioPacketVideoFormat;
 
-void handle_audio_packet(gamepad_context_t *ctx, char *data, size_t len)
+void handle_audio_packet(gamepad_context_t *ctx, unsigned char *data, size_t len)
 {
     //
     // === IMPORTANT NOTE! ===
@@ -39,7 +39,7 @@ void handle_audio_packet(gamepad_context_t *ctx, char *data, size_t len)
     // This for loop skips ap->format, ap->seq_id, and ap->timestamp to save processing.
     // If you want those, you'll have to adjust this loop.
     //
-    for (int byte = 2; byte < 4; byte++) {
+    for (int byte = 0; byte < 4; byte++) {
         data[byte] = (unsigned char) reverse_bits(data[byte], 8);
     }