[197721] improved EARVirtualComponent cache check

plugins/org.eclipse.jst.j2ee/earproject/org/eclipse/jst/j2ee/componentcore/util/EARVirtualComponent.java

diff --git a/plugins/org.eclipse.jst.j2ee/earproject/org/eclipse/jst/j2ee/componentcore/util/EARVirtualComponent.java b/plugins/org.eclipse.jst.j2ee/earproject/org/eclipse/jst/j2ee/componentcore/util/EARVirtualComponent.java
index 378c851..ef100cc 100644
--- a/plugins/org.eclipse.jst.j2ee/earproject/org/eclipse/jst/j2ee/componentcore/util/EARVirtualComponent.java
+++ b/plugins/org.eclipse.jst.j2ee/earproject/org/eclipse/jst/j2ee/componentcore/util/EARVirtualComponent.java
@@ -223,6 +223,6 @@
 	}
 
 	private boolean checkIfStillValid() {
-		return (DependencyGraphManager.getInstance().getModStamp() == depGraphModStamp);
+		return DependencyGraphManager.getInstance().checkIfStillValid(depGraphModStamp);
 	}
 }