Issue #674 Text hilighting initialization fix

src/com/jpexs/decompiler/flash/gui/TextPanel.java

@@ -28,6 +28,7 @@ import java.awt.event.ActionListener;
 import javax.swing.JButton;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
+import jsyntaxpane.DefaultSyntaxKit;
 
 /**
  *
@@ -49,6 +50,8 @@ public class TextPanel extends JPanel implements ActionListener {
     public TextPanel(MainPanel mainPanel) {
         super(new BorderLayout());
 
+        DefaultSyntaxKit.initKit();
+        
         this.mainPanel = mainPanel;
         textSearchPanel = new SearchPanel<>(new FlowLayout(), mainPanel);
         add(textSearchPanel, BorderLayout.NORTH);