4gewinnt: fixed GuiTest because of new parameterized constructor

src/main/java/de/tims/viergewinnt/ai/GuiTest.java

@@ -8,7 +8,7 @@ public class GuiTest {
 	public GuiTest() {
 		frame = new JFrame();
 		frame.setSize(500, 500);
-		Logic logic = new Logic();
+		Logic logic = new Logic(6);
 		frame.add(logic.create4gewinntGui());
 		frame.setVisible(true);
 	}