QmlDesigner.PropertyEditor: code style fix

Change-Id: Idadf59d90d64abf908fc7cfa58fc217f6c335c6f
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/ComboBox.qml

@@ -42,7 +42,7 @@ Controls.ComboBox {
         id: colorLogic
         backendValue: comboBox.backendValue
         onValueFromBackendChanged: {
-            comboBox.currentIndex = comboBox.find( comboBox.backendValue.valueToString);
+            comboBox.currentIndex = comboBox.find(comboBox.backendValue.valueToString);
         }
     }