Correcting the failures.

Author: deepika-u

bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/common/org/eclipse/swt/dnd/DropTargetEvent.java

@@ -13,6 +13,7 @@
  *******************************************************************************/
 package org.eclipse.swt.dnd;
 
+import org.eclipse.swt.*;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.widgets.*;