Bug 516644 - [regression] NPE in
org.eclipse.team.internal.ui.history.CompareFileRevisionEditorInput.getResource(ICompareInput)

Fix NPE in CompareFileRevisionEditorInput

Accidentally introduced in 30ce23c898392ba97114d8ba7cf5eddd7a0d6373.

A null check is still necessary.

Change-Id: Iac381eea4a17f67bd7cbe9b6289643ecd35377cb
Signed-off-by: Sebastian Ratz <sebastian.ratz@sap.com>
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>
diff --git a/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/history/CompareFileRevisionEditorInput.java b/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/history/CompareFileRevisionEditorInput.java
index 6360fff..aaaa464 100644
--- a/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/history/CompareFileRevisionEditorInput.java
+++ b/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/history/CompareFileRevisionEditorInput.java
@@ -150,7 +150,11 @@
 	}
 
 	private IResource getResource(ICompareInput input) {
-		return getLocalElement().getResource();
+		LocalResourceTypedElement localElement = getLocalElement();
+		if (localElement != null) {
+			return localElement.getResource();
+		}
+		return null;
 	}
 
 	private ICompareInput createCompareInput() {