QmlJsTools: Compile fix for Qt 4.

Change-Id: Ifaa78943be52d821bfbc3f32fb3fc914cf2d4315
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

src/plugins/qmljstools/qmlconsoleview.cpp

@@ -44,6 +44,7 @@
 #include <QScrollBar>
 #include <QStyleFactory>
 #include <QString>
+#include <QUrl>
 
 using namespace QmlJS;