Added missing import in code_view.fxml

Author: mikkomaran

src/main/resources/ee/ut/similaritydetector/fxml/code_view.fxml

@@ -8,6 +8,7 @@
 <?import javafx.scene.layout.AnchorPane?>
 <?import javafx.scene.layout.BorderPane?>
 <?import javafx.scene.layout.VBox?>
+<?import javafx.scene.control.ScrollPane?>
 
 <AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="400.0" minWidth="600.0" prefHeight="700.0" prefWidth="1000.0" stylesheets="/ee/ut/similaritydetector/style/style.scss, /ee/ut/similaritydetector/style/code_view_style.scss" xmlns="http://javafx.com/javafx/11.0.2" xmlns:fx="http://javafx.com/fxml/1" fx:controller="ee.ut.similaritydetector.ui.controllers.CodeViewController">
    <children>