Port xconfig to Qt5 - Fix layout margin.

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 3a5ff5d..6d32f39 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -856,6 +856,7 @@
 	: Parent(parent, name)
 {
 	QVBoxLayout *verticalLayout = new QVBoxLayout(this);
+	verticalLayout->setContentsMargins(0, 0, 0, 0);
 
 	list = new ConfigList(this, name);
 	verticalLayout->addWidget(list);