--- smpeg-0.4.4/MPEGaction.h.orig	2006-06-27 02:38:45.000000000 +0900
+++ smpeg-0.4.4/MPEGaction.h	2006-06-27 02:43:04.000000000 +0900
@@ -35,11 +35,12 @@
 
 class MPEGaction {
 public:
+    virtual ~MPEGaction() { };
     MPEGaction() {
         playing = false;
         paused = false;
         looping = false;
-	play_time = 0.0;
+        play_time = 0.0;
     }
     virtual void Loop(bool toggle) {
         looping = toggle;
@@ -88,6 +89,7 @@
 /* Audio action class */
 class MPEGaudioaction : public MPEGaction {
 public:
+    virtual ~MPEGaudioaction() { };
     virtual bool GetAudioInfo(MPEG_AudioInfo *info) {
         return(true);
     }
@@ -109,6 +111,7 @@
 /* Video action class */
 class MPEGvideoaction : public MPEGaction {
 public:
+    virtual ~MPEGvideoaction() { };
     virtual void SetTimeSource(MPEGaudioaction *source) {
         time_source = source;
     }