Bug 97429 [build path] Native library attribute should be available on the container as well
RC1 Why don't we have a native library attribute for class path containers ?
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/CPListElement.java
IPath linkTarget= null;
		
		switch (curr.getEntryKind()) {
			case IClasspathEntry.CPE_CONTAINER:
				res= null;
				try {
					isMissing= project != null && (JavaCore.getClasspathContainer(path, project) == null);
				} catch (JavaModelException e) {
					isMissing= true;
				}
				break;
			case IClasspathEntry.CPE_VARIABLE:
				IPath resolvedPath= JavaCore.getResolvedVariablePath(path);
				res= null;
				isMissing=  root.findMember(resolvedPath) == null && !resolvedPath.toFile().isFile();
				break;
			case IClasspathEntry.CPE_LIBRARY:
				res= root.findMember(path);
				if (res == null) {
					if (!ArchiveFileFilter.isArchivePath(path)) {
						if (root.getWorkspace().validatePath(path.toString(), IResource.FOLDER).isOK()
								&& root.getProject(path.segment(0)).exists()) {
							res= root.getFolder(path);
						}
					}
					isMissing= !path.toFile().isFile(); 
				} else if (res.isLinked()) {
					linkTarget= res.getLocation();
				}
				break;