Add fixme regarding a JDK 1.3 workaround

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1620579 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/lang3/reflect/FieldUtils.java

@@ -85,6 +85,7 @@ public class FieldUtils {
     public static Field getField(final Class<?> cls, final String fieldName, final boolean forceAccess) {
         Validate.isTrue(cls != null, "The class must not be null");
         Validate.isTrue(StringUtils.isNotBlank(fieldName), "The field name must not be blank/empty");
+        // FIXME is this workaround still needed? lang requires Java 6
         // Sun Java 1.3 has a bugged implementation of getField hence we write the
         // code ourselves