Port xconfig to Qt5 - Fix goParent issue.

Signed-off-by: Boris Barbulovski <bbarbulovski@gmail.com>
Signed-off-by: Thiago Macieira <thiago.macieira@intel.com>
Signed-off-by: Michal Marek <mmarek@suse.com>
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 97631e9..6c3f883 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -435,7 +435,7 @@
 
 	if (rootEntry != &rootmenu && (mode == singleMode ||
 	    (mode == symbolMode && rootEntry->parent != &rootmenu))) {
-		item = firstChild();
+		item = (ConfigItem *)topLevelItem(0);
 		if (!item)
 			item = new ConfigItem(this, 0, true);
 		last = item;