Bug 466790 - LaunchView (Debug view) leaks closed instances via
BreadcrumbPage

Change-Id: I0867f3fa8211f04958e38eada06594e049d60548
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchView.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchView.java
index 3c8e295..1973cff 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchView.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/launch/LaunchView.java
@@ -1112,6 +1112,7 @@
 		fHandlers.clear();
 		if (fBreadcrumbPage != null) {
 			fBreadcrumbPage.dispose();
+			fBreadcrumbPage = null;
 		}
 		super.dispose();
 	}