gconfig segfaults & compile error fix

diff -Naur linux-2.6.0/scripts/kconfig/gconf.c linux/scripts/kconfig/gconf.c
@@ -1,7 +1,7 @@
 /* Hey EMACS -*- linux-c -*- */
 /*
  *
- * Copyright (C) 2002-2003 Romain Lievin <[email protected]>
+ * Copyright (C) 2002-2003 Romain Lievin <[email protected]>
  * Released under the terms of the GNU GPL v2.0.
  *
  */

@@ -1047,6 +1047,8 @@
 		return FALSE;
 
 	gtk_tree_model_get_iter(model2, &iter, path);
+	if(!gtk_tree_store_iter_is_valid(model2, &iter))
+		return FALSE;
 	gtk_tree_model_get(model2, &iter, COL_MENU, &menu, -1);
 
 	col = column2index(column);

@@ -1172,7 +1174,7 @@
 
 	gtk_widget_realize(tree2_w);
 	gtk_tree_view_set_cursor(view, path, NULL, FALSE);
-	gtk_widget_grab_focus(GTK_TREE_VIEW(tree2_w));
+	gtk_widget_grab_focus(tree2_w);
 
 	return FALSE;
 }

@@ -1401,7 +1403,6 @@
 	struct symbol *sym;
 	struct property *prop;
 	struct menu *menu1, *menu2;
-	static GtkTreePath *path = NULL;
 
 	if (src == &rootmenu)
 		indent = 1;

@@ -1526,7 +1527,7 @@
 		if (((menu != &rootmenu) && !(menu->flags & MENU_ROOT)) ||
 		    (view_mode == FULL_VIEW)
 		    || (view_mode == SPLIT_VIEW))*/
-		if ((view_mode == SINGLE_VIEW) && (menu->flags & MENU_ROOT) 
+		if (((view_mode == SINGLE_VIEW) && (menu->flags & MENU_ROOT)) 
 		|| (view_mode == FULL_VIEW) || (view_mode == SPLIT_VIEW)) {
 			indent++;
 			display_tree(child);