Mixer: Explicitly destroy chian when tearing down mixer strip.

Mixer/Mixer.H

@@ -46,8 +46,8 @@ private:
 
     Fl_Scroll *scroll;
     Fl_Pack *pack;
-    Fl_Flowpack *mixer_strips;
 
+    Fl_Flowpack *mixer_strips;
 
 protected:
 

Mixer/Mixer_Strip.C

@@ -177,6 +177,10 @@ Mixer_Strip::Mixer_Strip() : Fl_Group( 0, 0, 120, 600 )
 Mixer_Strip::~Mixer_Strip ( )
 {
     DMESSAGE( "Destroying mixer strip" );
+
+    delete _chain;
+    _chain = NULL;
+
     log_destroy();
 }
 
@@ -288,9 +292,6 @@ Mixer_Strip::init ( )
 {
     _chain = 0;
 
-    chain_buffers = 0;
-    chain_buffer = NULL;
-
 //    box(FL_THIN_UP_BOX);
     box( FL_RFLAT_BOX );
 

Mixer/Mixer_Strip.H

@@ -55,8 +55,7 @@ public:
     Mixer_Strip(int X, int Y, int W, int H, const char *L = 0);
     Mixer_Strip( const char *name, int channels );
     Mixer_Strip();                                              /* for log create */
-    ~Mixer_Strip();
-
+    virtual ~Mixer_Strip();
 
     void chain ( Chain *c );
 
@@ -101,14 +100,9 @@ private:
     Controller_Module *jack_input_controller;
     Meter_Indicator_Module *meter_indicator;
 
-    sample_t **chain_buffer;
-    int chain_buffers;
-
     nframes_t nframes;
 
-
     Fl_Color _color;
-//    unsigned _color;
 
     void init ( );
     void cb_handle(Fl_Widget*);