kconfig: qconf: remove unused argument from ConfigList::updateList()

This function allocates 'item' before using it, so the argument 'item'
is always shadowed.

Remove the meaningless argument.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

scripts/kconfig/qconf.cc

@@ -404,15 +404,15 @@ void ConfigList::updateSelection(void)
 		emit menuSelected(menu);
 }
 
-void ConfigList::updateList(ConfigItem* item)
+void ConfigList::updateList()
 {
 	ConfigItem* last = 0;
+	ConfigItem *item;
 
 	if (!rootEntry) {
 		if (mode != listMode)
 			goto update;
 		QTreeWidgetItemIterator it(this);
-		ConfigItem* item;
 
 		while (*it) {
 			item = (ConfigItem*)(*it);
@@ -990,7 +990,7 @@ void ConfigView::updateList(ConfigItem* item)
 	ConfigView* v;
 
 	for (v = viewList; v; v = v->nextView)
-		v->list->updateList(item);
+		v->list->updateList();
 }
 
 void ConfigView::updateListAll(void)

scripts/kconfig/qconf.h

@@ -69,7 +69,7 @@ class ConfigList : public QTreeWidget {
 public slots:
 	void setRootMenu(struct menu *menu);
 
-	void updateList(ConfigItem *item);
+	void updateList();
 	void setValue(ConfigItem* item, tristate val);
 	void changeValue(ConfigItem* item);
 	void updateSelection(void);
@@ -85,7 +85,7 @@ public slots:
 	void updateListAll(void)
 	{
 		updateAll = true;
-		updateList(NULL);
+		updateList();
 		updateAll = false;
 	}
 	void addColumn(colIdx idx)