Fix Int32ToBytes on cgo vector

vector/audio.c

@@ -222,7 +222,7 @@ void audio_int32_to_bytes(int32_t* restrict data, size_t data_len, int8_t* restr
             }
             break;
         case 32:
-            memcpy(buffer, data, data_len);
+            memcpy(buffer, data, sizeof(int32_t) * data_len);
             break;
     }
 }