Fix some clang warnings.

FL/menu_popup.H

@@ -18,7 +18,7 @@
 /*******************************************************************************/
 
 class Fl_Menu_;
-class Fl_Menu_Item;
+struct Fl_Menu_Item;
 class Fl_Widget;
 
 bool menu_popup ( Fl_Menu_ *m, int X, int Y );

timeline/src/Audio_Sequence.H

@@ -53,7 +53,14 @@ public:
 
     Fl_Cursor cursor ( void ) const { return FL_CURSOR_DEFAULT; }
 
-    Sequence * clone_empty ( const char *name = 0 )
+    virtual Sequence * clone_empty ( void )
+	{
+            Audio_Sequence *t = new Audio_Sequence( track() );
+
+            return t;
+	}
+	
+    virtual Sequence * clone_empty ( const char *name )
         {
             Audio_Sequence *t = new Audio_Sequence( track(), name );
 

timeline/src/Track.C

@@ -248,7 +248,7 @@ Track::set ( Log_Entry &e )
         if ( ! strcmp( s, ":height" ) )
         {
             size( atoi( v ) );
-            resize();
+            adjust_size();
         }
         else if ( ! strcmp( s, ":selected" ) )
             _selected = atoi( v );
@@ -444,7 +444,7 @@ static int pack_visible( Fl_Pack *p )
 
 /* adjust size of widget and children */
 void
-Track::resize ( void )
+Track::adjust_size ( void )
 {
     for ( int i = takes->children(); i--; )
         takes->child( i )->size( w(), height()  );
@@ -496,7 +496,7 @@ Track::size ( int v )
 
     _size = v;
 
-    resize();
+    adjust_size();
 }
 
 void
@@ -558,7 +558,7 @@ Track::remove ( Audio_Sequence *t )
 
     timeline->unlock();
 
-    resize();
+    adjust_size();
 
     update_take_menu();
 }
@@ -571,7 +571,7 @@ Track::remove ( Annotation_Sequence *t )
 
     annotation->remove( t );
 
-    resize();
+    adjust_size();
 }
 
 void
@@ -590,7 +590,7 @@ Track::remove ( Control_Sequence *t )
 
     timeline->unlock();
 
-    resize();
+    adjust_size();
 }
 
 void
@@ -609,7 +609,7 @@ Track::sequence ( Audio_Sequence * t )
 
     update_take_menu();
 
-    resize();
+    adjust_size();
 }
 
 void
@@ -627,7 +627,7 @@ Track::add ( Control_Sequence *t )
 
     engine->unlock();
 
-    resize();
+    adjust_size();
 }
 
 void
@@ -639,7 +639,7 @@ Track::add ( Annotation_Sequence *t )
 
     annotation->add( t );
 
-    resize();
+    adjust_size();
 }
 
 /** add all widget on this track falling within the given rectangle to

timeline/src/Track.H

@@ -150,7 +150,7 @@ public:
 
     int ncontrols ( void ) { return control->children(); }
 
-    void resize ( void );
+    void adjust_size ( void );
     void size ( int v );
 
     int height ( void ) const
@@ -163,7 +163,7 @@ public:
     void show_all_takes ( bool b )
         {
             _show_all_takes = b;
-            resize();
+            adjust_size();
         }
 
     void name ( const char *name )

timeline/src/Transport.H

@@ -30,7 +30,7 @@
 
 #include <stdio.h>
 
-struct Transport : public jack_position_t, public Fl_Pack
+class Transport : public jack_position_t, public Fl_Pack
 {
 
 private: