[324020] Remove unnecessary in J2EEComponentClasspathContainer cast to avoid potential class cast exceptions

plugins/org.eclipse.jst.j2ee/common/org/eclipse/jst/j2ee/internal/common/classpath/J2EEComponentClasspathContainer.java

diff --git a/plugins/org.eclipse.jst.j2ee/common/org/eclipse/jst/j2ee/internal/common/classpath/J2EEComponentClasspathContainer.java b/plugins/org.eclipse.jst.j2ee/common/org/eclipse/jst/j2ee/internal/common/classpath/J2EEComponentClasspathContainer.java
index 31da0af..f73c858 100644
--- a/plugins/org.eclipse.jst.j2ee/common/org/eclipse/jst/j2ee/internal/common/classpath/J2EEComponentClasspathContainer.java
+++ b/plugins/org.eclipse.jst.j2ee/common/org/eclipse/jst/j2ee/internal/common/classpath/J2EEComponentClasspathContainer.java
@@ -35,7 +35,6 @@
 import org.eclipse.jst.common.jdt.internal.javalite.IJavaProjectLite;
 import org.eclipse.jst.common.jdt.internal.javalite.JavaCoreLite;
 import org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent;
-import org.eclipse.jst.j2ee.componentcore.util.EARVirtualComponent;
 import org.eclipse.jst.j2ee.internal.common.ClasspathLibraryExpander;
 import org.eclipse.jst.j2ee.internal.common.J2EECommonMessages;
 import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin;
@@ -311,7 +310,7 @@
 		for (IVirtualComponent referencingComp : referencingList) {
 			// check if the referencing component is an EAR
 			if (EarUtilities.isEARProject(referencingComp.getProject())) {
-				EARVirtualComponent earComp = (EARVirtualComponent) referencingComp;
+				IVirtualComponent earComp = referencingComp;
 				// retrieve the EAR's library directory 
 				String libDir = EarUtilities.getEARLibDir(earComp);
 				// if the EAR version is lower than 5, then the library directory will be null