* dlg.h: Remove "last" field from Dlg_head, it's unneeded in a

circularly linked list.

src/ChangeLog

@@ -1,5 +1,8 @@
 2003-09-10  Pavel Roskin  <proski@gnu.org>
 
+	* dlg.h: Remove "last" field from Dlg_head, it's unneeded in a
+	circularly linked list.
+
 	* screen.c (paint_dir): Don't make panel clean here.
 	(panel_update_contents): Do it here.
 	(panel_callback): Repaint the panel on focus.

src/dlg.c

@@ -257,8 +257,7 @@ int add_widget (Dlg_head *where, void *what)
 		    where->current->next = where->current;
 		    where->first = where->current;
 		    where->current->prev = where->first;
-		    where->last = where->current;
+		    where->first->next = where->current;
-		    where->first->next = where->last;
 	    }
     } else {
 	    back = where->current;
@@ -272,8 +271,7 @@ int add_widget (Dlg_head *where, void *what)
 	    }
 
 	    where->current->prev = where->first;
-	    where->last = where->current;
+	    where->first->next = where->current;
-	    where->first->next = where->last;
 
     }
     where->current->dlg_id = where->count;

src/dlg.h

@@ -85,7 +85,7 @@ typedef struct Dlg_head {
 
     /* Internal variables */
     int count;			/* number of widgets */
-    struct Widget_Item *current, *first, *last;
+    struct Widget_Item *current, *first;
     dlg_cb_fn callback;
     struct Widget_Item *initfocus;
     void *previous_dialog;	/* Pointer to the previously running Dlg_head */