Port xconfig to Qt5 - Disable ConfigList soring

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 f54f19f..9edb9c5 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -315,7 +315,7 @@
 	int i;
 
 	setObjectName(name);
-	setSortingEnabled(-1);
+	setSortingEnabled(false);
 	setRootIsDecorated(true);
 
 	setHeaderLabels(QStringList() << _("Option") << _("Name") << "N" << "M" << "Y" << _("Value"));