Avoid warning due to missing import

Issue-Ref: 3672
Issue-Url: https://af3-developer.fortiss.org/issues/3672


Signed-off-by: Alexander Diewald <diewald@fortiss.org>

org.fortiss.af3.rcp.application/src/org/fortiss/af3/rcp/application/advisors/.ratings

 ApplicationActionBarAdvisor.java 3e7c0fd992586e6ca7724b871eb0b2cf59244028 GREEN
 ApplicationWorkbenchAdvisor.java ef25d5783a4f75e88334fd679834a6e0421f8c2f GREEN
 ApplicationWorkbenchWindowAdvisor.java da5cb38300b384579532c678fbc9faa961c2ca6b GREEN
-CurrentObjectiveContributionItem.java 009db6cc965e70e4bf8d6abd85f330402ab3582b RED
+CurrentObjectiveContributionItem.java 52e739907bdca86536efc963bd476fe238bb2f14 RED
 UpcomingObjectiveContributionItem.java 5721c93ac6ea39842af09703ebc2b0f841bc9ed5 RED

org.fortiss.af3.rcp.application/src/org/fortiss/af3/rcp/application/advisors/CurrentObjectiveContributionItem.java

@@ -32,6 +32,7 @@ import org.eclipse.core.resources.IResourceChangeEvent;
 import org.eclipse.core.resources.IResourceChangeListener;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EObject;
+import org.eclipse.jface.action.ContributionItem;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ITreeSelection;
 import org.eclipse.swt.SWT;