add comment about a bug found by findbugs-jdk8. Someone more familiar with HSLF should resolve this.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1751737 13f79535-47bb-0310-9956-ffa450edef68

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFFreeformShape.java

@@ -352,6 +352,7 @@ public final class HSLFFreeformShape extends HSLFAutoShape implements FreeformSh
         return prop;
     }
     
+    // FIXME: FindBugs-JDK8 identified that this method does nothing
     private void handleEscapeInfo(Path2D path, byte segElem[], Iterator<byte[]> vertIter) {
         EscapeInfo ei = getEscapeInfo(segElem);
         switch (ei) {