Bug 94265 [build path] native library configuration should also be possible via JAR properties
I20050510-0010 native library configuration should also be possible via JAR properties
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/NativeLibrariesDialog.java
final void doFieldChanged(DialogField field) {
		if (field == fBrowseExternal) {
			String res= chooseExternal();
			if (res != null) {
				fPathField.setText(res);
			}
		} else if (field == fBrowseWorkspace) {
			String res= chooseInternal();
			if (res != null) {
				fPathField.setText(res);
			}
		} else if (field == fPathField) {
			updateStatus(validatePath());
		}
	}
	private IStatus validatePath() {
		StatusInfo status= new StatusInfo();
		String val= fPathField.getText();
		if (val.length() == 0) {
			return status;
		}
		Path path= new Path(val);
		if (path.isAbsolute()) {
			if (!path.toFile().isDirectory()) {
				status.setWarning(NewWizardMessages.NativeLibrariesDialog_error_external_not_existing); 
				return status;
			}
		} else {
			if (!(ResourcesPlugin.getWorkspace().getRoot().findMember(path) instanceof IContainer)) {