Suppressed warning about not closing the jar file since we use it for loading classes.

src/delombok/lombok/delombok/DelombokApp.java

@@ -84,6 +84,9 @@ public class DelombokApp extends LombokApp {
 			return null;
 		}
 		
+		@SuppressWarnings("resource") 
+		// The jar file is used for the lifetime of the classLoader, therefore the lifetime of delombok.
+		// Since we only read from it, not closing it should not be a problem.
 		final JarFile toolsJarFile = new JarFile(toolsJar);
 		
 		ClassLoader loader = new ClassLoader() {